Home / 827,998.20-1,241,997.30-560,309.40

Finding the Fourth Proportional to 827,998.20, 1,241,997.30 and 560,309.40

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Solution

The fourth proportional to 827,998.20, 1,241,997.30 and 560,309.40 is: 840,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,998.20 : 1,241,997.30 = 560,309.40 : x
  2. Step 2: Convert to fraction form
    827,998.20/1,241,997.30 = 560,309.40/x
  3. Step 3: Cross multiply
    827,998.20x = 1,241,997.30 × 560,309.40
  4. Step 4: Simplify right side
    827,998.20x = 695,902,761,964.62
  5. Step 5: Solve for x
    x = 695,902,761,964.62/827,998.20
  6. Step 6: Final answer
    x = 840,464.10

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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.