Home / 481,330.96-721,986.72-165,780.88

Finding the Fourth Proportional to 481,330.96, 721,986.72 and 165,780.88

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Solution

The fourth proportional to 481,330.96, 721,986.72 and 165,780.88 is: 248,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,330.96 : 721,986.72 = 165,780.88 : x
  2. Step 2: Convert to fraction form
    481,330.96/721,986.72 = 165,780.88/x
  3. Step 3: Cross multiply
    481,330.96x = 721,986.72 × 165,780.88
  4. Step 4: Simplify right side
    481,330.96x = 119,691,593,789.91
  5. Step 5: Solve for x
    x = 119,691,593,789.91/481,330.96
  6. Step 6: Final answer
    x = 248,667.97

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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.