Home / 747,165.58-1,121,197.38-267,355.53

Finding the Fourth Proportional to 747,165.58, 1,121,197.38 and 267,355.53

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Solution

The fourth proportional to 747,165.58, 1,121,197.38 and 267,355.53 is: 401,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,165.58 : 1,121,197.38 = 267,355.53 : x
  2. Step 2: Convert to fraction form
    747,165.58/1,121,197.38 = 267,355.53/x
  3. Step 3: Cross multiply
    747,165.58x = 1,121,197.38 × 267,355.53
  4. Step 4: Simplify right side
    747,165.58x = 299,758,318,761.93
  5. Step 5: Solve for x
    x = 299,758,318,761.93/747,165.58
  6. Step 6: Final answer
    x = 401,193.96

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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.