Home / 591,972.10-887,958.15-218,140.90

Finding the Fourth Proportional to 591,972.10, 887,958.15 and 218,140.90

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Solution

The fourth proportional to 591,972.10, 887,958.15 and 218,140.90 is: 327,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,972.10 : 887,958.15 = 218,140.90 : x
  2. Step 2: Convert to fraction form
    591,972.10/887,958.15 = 218,140.90/x
  3. Step 3: Cross multiply
    591,972.10x = 887,958.15 × 218,140.90
  4. Step 4: Simplify right side
    591,972.10x = 193,699,990,003.34
  5. Step 5: Solve for x
    x = 193,699,990,003.34/591,972.10
  6. Step 6: Final answer
    x = 327,211.35

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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.