Home / 951,520.62-1,313,116.50-521,775.12

Finding the Fourth Proportional to 951,520.62, 1,313,116.50 and 521,775.12

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Solution

The fourth proportional to 951,520.62, 1,313,116.50 and 521,775.12 is: 720,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,520.62 : 1,313,116.50 = 521,775.12 : x
  2. Step 2: Convert to fraction form
    951,520.62/1,313,116.50 = 521,775.12/x
  3. Step 3: Cross multiply
    951,520.62x = 1,313,116.50 × 521,775.12
  4. Step 4: Simplify right side
    951,520.62x = 685,151,519,361.48
  5. Step 5: Solve for x
    x = 685,151,519,361.48/951,520.62
  6. Step 6: Final answer
    x = 720,059.56

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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.