Home / 861,626.92-1,189,054.01-474,478.38

Finding the Fourth Proportional to 861,626.92, 1,189,054.01 and 474,478.38

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Solution

The fourth proportional to 861,626.92, 1,189,054.01 and 474,478.38 is: 654,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,626.92 : 1,189,054.01 = 474,478.38 : x
  2. Step 2: Convert to fraction form
    861,626.92/1,189,054.01 = 474,478.38/x
  3. Step 3: Cross multiply
    861,626.92x = 1,189,054.01 × 474,478.38
  4. Step 4: Simplify right side
    861,626.92x = 564,180,420,397.30
  5. Step 5: Solve for x
    x = 564,180,420,397.30/861,626.92
  6. Step 6: Final answer
    x = 654,785.04

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Double scale
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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.