Home / 454,372.12-627,007.94-250,422.42

Finding the Fourth Proportional to 454,372.12, 627,007.94 and 250,422.42

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Solution

The fourth proportional to 454,372.12, 627,007.94 and 250,422.42 is: 345,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,372.12 : 627,007.94 = 250,422.42 : x
  2. Step 2: Convert to fraction form
    454,372.12/627,007.94 = 250,422.42/x
  3. Step 3: Cross multiply
    454,372.12x = 627,007.94 × 250,422.42
  4. Step 4: Simplify right side
    454,372.12x = 157,016,845,694.02
  5. Step 5: Solve for x
    x = 157,016,845,694.02/454,372.12
  6. Step 6: Final answer
    x = 345,568.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.