Home / 527,542.80-791,314.20-504,506.40

Finding the Fourth Proportional to 527,542.80, 791,314.20 and 504,506.40

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Solution

The fourth proportional to 527,542.80, 791,314.20 and 504,506.40 is: 756,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,542.80 : 791,314.20 = 504,506.40 : x
  2. Step 2: Convert to fraction form
    527,542.80/791,314.20 = 504,506.40/x
  3. Step 3: Cross multiply
    527,542.80x = 791,314.20 × 504,506.40
  4. Step 4: Simplify right side
    527,542.80x = 399,223,078,310.88
  5. Step 5: Solve for x
    x = 399,223,078,310.88/527,542.80
  6. Step 6: Final answer
    x = 756,759.60

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Double scale
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Similar ratio
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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.