Home / 929,593.80-1,394,390.70-331,230.60

Finding the Fourth Proportional to 929,593.80, 1,394,390.70 and 331,230.60

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Solution

The fourth proportional to 929,593.80, 1,394,390.70 and 331,230.60 is: 496,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,593.80 : 1,394,390.70 = 331,230.60 : x
  2. Step 2: Convert to fraction form
    929,593.80/1,394,390.70 = 331,230.60/x
  3. Step 3: Cross multiply
    929,593.80x = 1,394,390.70 × 331,230.60
  4. Step 4: Simplify right side
    929,593.80x = 461,864,868,195.42
  5. Step 5: Solve for x
    x = 461,864,868,195.42/929,593.80
  6. Step 6: Final answer
    x = 496,845.90

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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.