Home / 731,358.92-1,009,368.78-409,086.92

Finding the Fourth Proportional to 731,358.92, 1,009,368.78 and 409,086.92

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Solution

The fourth proportional to 731,358.92, 1,009,368.78 and 409,086.92 is: 564,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,358.92 : 1,009,368.78 = 409,086.92 : x
  2. Step 2: Convert to fraction form
    731,358.92/1,009,368.78 = 409,086.92/x
  3. Step 3: Cross multiply
    731,358.92x = 1,009,368.78 × 409,086.92
  4. Step 4: Simplify right side
    731,358.92x = 412,919,565,354.36
  5. Step 5: Solve for x
    x = 412,919,565,354.36/731,358.92
  6. Step 6: Final answer
    x = 564,592.23

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Double scale
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Similar ratio
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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.