Home / 829,996.20-1,244,994.30-755,200.80

Finding the Fourth Proportional to 829,996.20, 1,244,994.30 and 755,200.80

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Solution

The fourth proportional to 829,996.20, 1,244,994.30 and 755,200.80 is: 1,132,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,996.20 : 1,244,994.30 = 755,200.80 : x
  2. Step 2: Convert to fraction form
    829,996.20/1,244,994.30 = 755,200.80/x
  3. Step 3: Cross multiply
    829,996.20x = 1,244,994.30 × 755,200.80
  4. Step 4: Simplify right side
    829,996.20x = 940,220,691,355.44
  5. Step 5: Solve for x
    x = 940,220,691,355.44/829,996.20
  6. Step 6: Final answer
    x = 1,132,801.20

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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.