Home / 454,966.10-682,449.15-449,061.20

Finding the Fourth Proportional to 454,966.10, 682,449.15 and 449,061.20

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Solution

The fourth proportional to 454,966.10, 682,449.15 and 449,061.20 is: 673,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,966.10 : 682,449.15 = 449,061.20 : x
  2. Step 2: Convert to fraction form
    454,966.10/682,449.15 = 449,061.20/x
  3. Step 3: Cross multiply
    454,966.10x = 682,449.15 × 449,061.20
  4. Step 4: Simplify right side
    454,966.10x = 306,461,434,237.98
  5. Step 5: Solve for x
    x = 306,461,434,237.98/454,966.10
  6. Step 6: Final answer
    x = 673,591.80

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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.