Home / 571,234.38-788,118.26-338,679.73

Finding the Fourth Proportional to 571,234.38, 788,118.26 and 338,679.73

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Solution

The fourth proportional to 571,234.38, 788,118.26 and 338,679.73 is: 467,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,234.38 : 788,118.26 = 338,679.73 : x
  2. Step 2: Convert to fraction form
    571,234.38/788,118.26 = 338,679.73/x
  3. Step 3: Cross multiply
    571,234.38x = 788,118.26 × 338,679.73
  4. Step 4: Simplify right side
    571,234.38x = 266,919,678,796.62
  5. Step 5: Solve for x
    x = 266,919,678,796.62/571,234.38
  6. Step 6: Final answer
    x = 467,268.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.