Home / 571,788.11-857,761.45-192,817.46

Finding the Fourth Proportional to 571,788.11, 857,761.45 and 192,817.46

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Solution

The fourth proportional to 571,788.11, 857,761.45 and 192,817.46 is: 289,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,788.11 : 857,761.45 = 192,817.46 : x
  2. Step 2: Convert to fraction form
    571,788.11/857,761.45 = 192,817.46/x
  3. Step 3: Cross multiply
    571,788.11x = 857,761.45 × 192,817.46
  4. Step 4: Simplify right side
    571,788.11x = 165,391,385,737.28
  5. Step 5: Solve for x
    x = 165,391,385,737.28/571,788.11
  6. Step 6: Final answer
    x = 289,252.93

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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.