Home / 747,459.20-1,120,522.20-274,034.24

Finding the Fourth Proportional to 747,459.20, 1,120,522.20 and 274,034.24

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Solution

The fourth proportional to 747,459.20, 1,120,522.20 and 274,034.24 is: 410,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,459.20 : 1,120,522.20 = 274,034.24 : x
  2. Step 2: Convert to fraction form
    747,459.20/1,120,522.20 = 274,034.24/x
  3. Step 3: Cross multiply
    747,459.20x = 1,120,522.20 × 274,034.24
  4. Step 4: Simplify right side
    747,459.20x = 307,061,449,480.13
  5. Step 5: Solve for x
    x = 307,061,449,480.13/747,459.20
  6. Step 6: Final answer
    x = 410,806.97

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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.