Home / 747,104.76-1,120,268.04-267,147.56

Finding the Fourth Proportional to 747,104.76, 1,120,268.04 and 267,147.56

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Solution

The fourth proportional to 747,104.76, 1,120,268.04 and 267,147.56 is: 400,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,104.76 : 1,120,268.04 = 267,147.56 : x
  2. Step 2: Convert to fraction form
    747,104.76/1,120,268.04 = 267,147.56/x
  3. Step 3: Cross multiply
    747,104.76x = 1,120,268.04 × 267,147.56
  4. Step 4: Simplify right side
    747,104.76x = 299,276,873,431.98
  5. Step 5: Solve for x
    x = 299,276,873,431.98/747,104.76
  6. Step 6: Final answer
    x = 400,582.21

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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.