Home / 623,981.28-861,096.60-337,503.36

Finding the Fourth Proportional to 623,981.28, 861,096.60 and 337,503.36

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Solution

The fourth proportional to 623,981.28, 861,096.60 and 337,503.36 is: 465,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,981.28 : 861,096.60 = 337,503.36 : x
  2. Step 2: Convert to fraction form
    623,981.28/861,096.60 = 337,503.36/x
  3. Step 3: Cross multiply
    623,981.28x = 861,096.60 × 337,503.36
  4. Step 4: Simplify right side
    623,981.28x = 290,622,995,784.58
  5. Step 5: Solve for x
    x = 290,622,995,784.58/623,981.28
  6. Step 6: Final answer
    x = 465,755.95

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Double scale
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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.