Home / 641,999.38-962,996.84-192,718.43

Finding the Fourth Proportional to 641,999.38, 962,996.84 and 192,718.43

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Solution

The fourth proportional to 641,999.38, 962,996.84 and 192,718.43 is: 289,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,999.38 : 962,996.84 = 192,718.43 : x
  2. Step 2: Convert to fraction form
    641,999.38/962,996.84 = 192,718.43/x
  3. Step 3: Cross multiply
    641,999.38x = 962,996.84 × 192,718.43
  4. Step 4: Simplify right side
    641,999.38x = 185,587,238,136.17
  5. Step 5: Solve for x
    x = 185,587,238,136.17/641,999.38
  6. Step 6: Final answer
    x = 289,076.98

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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.