Home / 591,972.60-887,958.90-218,141.40

Finding the Fourth Proportional to 591,972.60, 887,958.90 and 218,141.40

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Solution

The fourth proportional to 591,972.60, 887,958.90 and 218,141.40 is: 327,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,972.60 : 887,958.90 = 218,141.40 : x
  2. Step 2: Convert to fraction form
    591,972.60/887,958.90 = 218,141.40/x
  3. Step 3: Cross multiply
    591,972.60x = 887,958.90 × 218,141.40
  4. Step 4: Simplify right side
    591,972.60x = 193,700,597,588.46
  5. Step 5: Solve for x
    x = 193,700,597,588.46/591,972.60
  6. Step 6: Final answer
    x = 327,212.10

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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.