Home / 769,709.13-1,062,167.22-425,523.16

Finding the Fourth Proportional to 769,709.13, 1,062,167.22 and 425,523.16

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Solution

The fourth proportional to 769,709.13, 1,062,167.22 and 425,523.16 is: 587,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,709.13 : 1,062,167.22 = 425,523.16 : x
  2. Step 2: Convert to fraction form
    769,709.13/1,062,167.22 = 425,523.16/x
  3. Step 3: Cross multiply
    769,709.13x = 1,062,167.22 × 425,523.16
  4. Step 4: Simplify right side
    769,709.13x = 451,976,747,655.79
  5. Step 5: Solve for x
    x = 451,976,747,655.79/769,709.13
  6. Step 6: Final answer
    x = 587,204.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.