Home / 591,428.40-887,272.20-192,001.20

Finding the Fourth Proportional to 591,428.40, 887,272.20 and 192,001.20

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Solution

The fourth proportional to 591,428.40, 887,272.20 and 192,001.20 is: 288,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,428.40 : 887,272.20 = 192,001.20 : x
  2. Step 2: Convert to fraction form
    591,428.40/887,272.20 = 192,001.20/x
  3. Step 3: Cross multiply
    591,428.40x = 887,272.20 × 192,001.20
  4. Step 4: Simplify right side
    591,428.40x = 170,357,327,126.64
  5. Step 5: Solve for x
    x = 170,357,327,126.64/591,428.40
  6. Step 6: Final answer
    x = 288,043.87

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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.