Home / 520,975.88-780,927.85-236,864.06

Finding the Fourth Proportional to 520,975.88, 780,927.85 and 236,864.06

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Solution

The fourth proportional to 520,975.88, 780,927.85 and 236,864.06 is: 355,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,975.88 : 780,927.85 = 236,864.06 : x
  2. Step 2: Convert to fraction form
    520,975.88/780,927.85 = 236,864.06/x
  3. Step 3: Cross multiply
    520,975.88x = 780,927.85 × 236,864.06
  4. Step 4: Simplify right side
    520,975.88x = 184,973,741,118.07
  5. Step 5: Solve for x
    x = 184,973,741,118.07/520,975.88
  6. Step 6: Final answer
    x = 355,052.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.