Home / 414,001.10-621,001.65-204,049.10

Finding the Fourth Proportional to 414,001.10, 621,001.65 and 204,049.10

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Solution

The fourth proportional to 414,001.10, 621,001.65 and 204,049.10 is: 306,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,001.10 : 621,001.65 = 204,049.10 : x
  2. Step 2: Convert to fraction form
    414,001.10/621,001.65 = 204,049.10/x
  3. Step 3: Cross multiply
    414,001.10x = 621,001.65 × 204,049.10
  4. Step 4: Simplify right side
    414,001.10x = 126,714,827,781.02
  5. Step 5: Solve for x
    x = 126,714,827,781.02/414,001.10
  6. Step 6: Final answer
    x = 306,073.65

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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.