Home / 445,136.10-667,704.15-267,551.70

Finding the Fourth Proportional to 445,136.10, 667,704.15 and 267,551.70

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Solution

The fourth proportional to 445,136.10, 667,704.15 and 267,551.70 is: 401,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,136.10 : 667,704.15 = 267,551.70 : x
  2. Step 2: Convert to fraction form
    445,136.10/667,704.15 = 267,551.70/x
  3. Step 3: Cross multiply
    445,136.10x = 667,704.15 × 267,551.70
  4. Step 4: Simplify right side
    445,136.10x = 178,645,380,429.56
  5. Step 5: Solve for x
    x = 178,645,380,429.56/445,136.10
  6. Step 6: Final answer
    x = 401,327.55

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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.