Home / 886,331.27-1,223,120.54-542,141.92

Finding the Fourth Proportional to 886,331.27, 1,223,120.54 and 542,141.92

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Solution

The fourth proportional to 886,331.27, 1,223,120.54 and 542,141.92 is: 748,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,331.27 : 1,223,120.54 = 542,141.92 : x
  2. Step 2: Convert to fraction form
    886,331.27/1,223,120.54 = 542,141.92/x
  3. Step 3: Cross multiply
    886,331.27x = 1,223,120.54 × 542,141.92
  4. Step 4: Simplify right side
    886,331.27x = 663,104,916,244.59
  5. Step 5: Solve for x
    x = 663,104,916,244.59/886,331.27
  6. Step 6: Final answer
    x = 748,145.68

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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.