Home / 516,132.60-774,198.90-327,175.80

Finding the Fourth Proportional to 516,132.60, 774,198.90 and 327,175.80

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Solution

The fourth proportional to 516,132.60, 774,198.90 and 327,175.80 is: 490,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,132.60 : 774,198.90 = 327,175.80 : x
  2. Step 2: Convert to fraction form
    516,132.60/774,198.90 = 327,175.80/x
  3. Step 3: Cross multiply
    516,132.60x = 774,198.90 × 327,175.80
  4. Step 4: Simplify right side
    516,132.60x = 253,299,144,466.62
  5. Step 5: Solve for x
    x = 253,299,144,466.62/516,132.60
  6. Step 6: Final answer
    x = 490,763.70

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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.