Home / 861,652.43-1,188,306.27-539,391.90

Finding the Fourth Proportional to 861,652.43, 1,188,306.27 and 539,391.90

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Solution

The fourth proportional to 861,652.43, 1,188,306.27 and 539,391.90 is: 743,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,652.43 : 1,188,306.27 = 539,391.90 : x
  2. Step 2: Convert to fraction form
    861,652.43/1,188,306.27 = 539,391.90/x
  3. Step 3: Cross multiply
    861,652.43x = 1,188,306.27 × 539,391.90
  4. Step 4: Simplify right side
    861,652.43x = 640,962,776,757.21
  5. Step 5: Solve for x
    x = 640,962,776,757.21/861,652.43
  6. Step 6: Final answer
    x = 743,876.25

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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.