Home / 417,691.05-626,436.23-192,835.46

Finding the Fourth Proportional to 417,691.05, 626,436.23 and 192,835.46

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Solution

The fourth proportional to 417,691.05, 626,436.23 and 192,835.46 is: 289,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,691.05 : 626,436.23 = 192,835.46 : x
  2. Step 2: Convert to fraction form
    417,691.05/626,436.23 = 192,835.46/x
  3. Step 3: Cross multiply
    417,691.05x = 626,436.23 × 192,835.46
  4. Step 4: Simplify right side
    417,691.05x = 120,799,118,497.48
  5. Step 5: Solve for x
    x = 120,799,118,497.48/417,691.05
  6. Step 6: Final answer
    x = 289,206.86

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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.