Home / 748,327.13-1,122,500.41-249,691.13

Finding the Fourth Proportional to 748,327.13, 1,122,500.41 and 249,691.13

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Solution

The fourth proportional to 748,327.13, 1,122,500.41 and 249,691.13 is: 374,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,327.13 : 1,122,500.41 = 249,691.13 : x
  2. Step 2: Convert to fraction form
    748,327.13/1,122,500.41 = 249,691.13/x
  3. Step 3: Cross multiply
    748,327.13x = 1,122,500.41 × 249,691.13
  4. Step 4: Simplify right side
    748,327.13x = 280,278,389,561.63
  5. Step 5: Solve for x
    x = 280,278,389,561.63/748,327.13
  6. Step 6: Final answer
    x = 374,539.93

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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.