Home / 454,420.80-627,147.36-273,191.76

Finding the Fourth Proportional to 454,420.80, 627,147.36 and 273,191.76

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Solution

The fourth proportional to 454,420.80, 627,147.36 and 273,191.76 is: 377,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,420.80 : 627,147.36 = 273,191.76 : x
  2. Step 2: Convert to fraction form
    454,420.80/627,147.36 = 273,191.76/x
  3. Step 3: Cross multiply
    454,420.80x = 627,147.36 × 273,191.76
  4. Step 4: Simplify right side
    454,420.80x = 171,331,491,057.75
  5. Step 5: Solve for x
    x = 171,331,491,057.75/454,420.80
  6. Step 6: Final answer
    x = 377,032.68

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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.