Home / 591,739.93-887,609.90-491,971.73

Finding the Fourth Proportional to 591,739.93, 887,609.90 and 491,971.73

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Solution

The fourth proportional to 591,739.93, 887,609.90 and 491,971.73 is: 737,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,739.93 : 887,609.90 = 491,971.73 : x
  2. Step 2: Convert to fraction form
    591,739.93/887,609.90 = 491,971.73/x
  3. Step 3: Cross multiply
    591,739.93x = 887,609.90 × 491,971.73
  4. Step 4: Simplify right side
    591,739.93x = 436,678,972,092.67
  5. Step 5: Solve for x
    x = 436,678,972,092.67/591,739.93
  6. Step 6: Final answer
    x = 737,957.59

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Half scale
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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.