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In this work, we present an original formula that proposes the unification of quantum, gravitational, and electromagnetic fields in a four-dimensional spacetime, considering the complex interactions among these fundamental forces. The formula integrates concepts from general relativity, electromagnetism, quantum mechanics, and scalar fields to provide a comprehensive description of the fundamental laws of physics. The equation is derived from a relativistic action incorporating various contributions, such as spacetime curvature, quantum fields, and matter-energy interactions. This model may open new perspectives in the quest for a unified theory of fundamental forces, being applicable to the observation and simulation of both cosmic and microscopic phenomena