Home / 603,819.87-833,279.97-331,912.90

Finding the Fourth Proportional to 603,819.87, 833,279.97 and 331,912.90

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Solution

The fourth proportional to 603,819.87, 833,279.97 and 331,912.90 is: 458,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,819.87 : 833,279.97 = 331,912.90 : x
  2. Step 2: Convert to fraction form
    603,819.87/833,279.97 = 331,912.90/x
  3. Step 3: Cross multiply
    603,819.87x = 833,279.97 × 331,912.90
  4. Step 4: Simplify right side
    603,819.87x = 276,576,371,354.61
  5. Step 5: Solve for x
    x = 276,576,371,354.61/603,819.87
  6. Step 6: Final answer
    x = 458,044.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.