Home / 534,280.28-737,418.20-491,191.52

Finding the Fourth Proportional to 534,280.28, 737,418.20 and 491,191.52

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Solution

The fourth proportional to 534,280.28, 737,418.20 and 491,191.52 is: 677,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,280.28 : 737,418.20 = 491,191.52 : x
  2. Step 2: Convert to fraction form
    534,280.28/737,418.20 = 491,191.52/x
  3. Step 3: Cross multiply
    534,280.28x = 737,418.20 × 491,191.52
  4. Step 4: Simplify right side
    534,280.28x = 362,213,560,390.62
  5. Step 5: Solve for x
    x = 362,213,560,390.62/534,280.28
  6. Step 6: Final answer
    x = 677,946.72

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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.