Home / 731,044.40-1,096,566.60-257,572.40

Finding the Fourth Proportional to 731,044.40, 1,096,566.60 and 257,572.40

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Solution

The fourth proportional to 731,044.40, 1,096,566.60 and 257,572.40 is: 386,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,044.40 : 1,096,566.60 = 257,572.40 : x
  2. Step 2: Convert to fraction form
    731,044.40/1,096,566.60 = 257,572.40/x
  3. Step 3: Cross multiply
    731,044.40x = 1,096,566.60 × 257,572.40
  4. Step 4: Simplify right side
    731,044.40x = 282,445,290,921.84
  5. Step 5: Solve for x
    x = 282,445,290,921.84/731,044.40
  6. Step 6: Final answer
    x = 386,358.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.