Home / 624,355.17-861,616.20-337,881.21

Finding the Fourth Proportional to 624,355.17, 861,616.20 and 337,881.21

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Solution

The fourth proportional to 624,355.17, 861,616.20 and 337,881.21 is: 466,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,355.17 : 861,616.20 = 337,881.21 : x
  2. Step 2: Convert to fraction form
    624,355.17/861,616.20 = 337,881.21/x
  3. Step 3: Cross multiply
    624,355.17x = 861,616.20 × 337,881.21
  4. Step 4: Simplify right side
    624,355.17x = 291,123,924,211.60
  5. Step 5: Solve for x
    x = 291,123,924,211.60/624,355.17
  6. Step 6: Final answer
    x = 466,279.35

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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.