Home / 453,946.60-680,919.90-229,997.80

Finding the Fourth Proportional to 453,946.60, 680,919.90 and 229,997.80

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Solution

The fourth proportional to 453,946.60, 680,919.90 and 229,997.80 is: 344,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,946.60 : 680,919.90 = 229,997.80 : x
  2. Step 2: Convert to fraction form
    453,946.60/680,919.90 = 229,997.80/x
  3. Step 3: Cross multiply
    453,946.60x = 680,919.90 × 229,997.80
  4. Step 4: Simplify right side
    453,946.60x = 156,610,078,976.22
  5. Step 5: Solve for x
    x = 156,610,078,976.22/453,946.60
  6. Step 6: Final answer
    x = 344,996.70

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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.