Home / 747,282.11-1,120,940.47-267,542.70

Finding the Fourth Proportional to 747,282.11, 1,120,940.47 and 267,542.70

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Solution

The fourth proportional to 747,282.11, 1,120,940.47 and 267,542.70 is: 401,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,282.11 : 1,120,940.47 = 267,542.70 : x
  2. Step 2: Convert to fraction form
    747,282.11/1,120,940.47 = 267,542.70/x
  3. Step 3: Cross multiply
    747,282.11x = 1,120,940.47 × 267,542.70
  4. Step 4: Simplify right side
    747,282.11x = 299,899,436,013.97
  5. Step 5: Solve for x
    x = 299,899,436,013.97/747,282.11
  6. Step 6: Final answer
    x = 401,320.24

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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.