Home / 481,226.40-721,839.60-449,733.60

Finding the Fourth Proportional to 481,226.40, 721,839.60 and 449,733.60

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Solution

The fourth proportional to 481,226.40, 721,839.60 and 449,733.60 is: 674,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,226.40 : 721,839.60 = 449,733.60 : x
  2. Step 2: Convert to fraction form
    481,226.40/721,839.60 = 449,733.60/x
  3. Step 3: Cross multiply
    481,226.40x = 721,839.60 × 449,733.60
  4. Step 4: Simplify right side
    481,226.40x = 324,635,521,930.56
  5. Step 5: Solve for x
    x = 324,635,521,930.56/481,226.40
  6. Step 6: Final answer
    x = 674,600.40

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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.