Home / 676,183.14-932,999.31-385,788.42

Finding the Fourth Proportional to 676,183.14, 932,999.31 and 385,788.42

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Solution

The fourth proportional to 676,183.14, 932,999.31 and 385,788.42 is: 532,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,183.14 : 932,999.31 = 385,788.42 : x
  2. Step 2: Convert to fraction form
    676,183.14/932,999.31 = 385,788.42/x
  3. Step 3: Cross multiply
    676,183.14x = 932,999.31 × 385,788.42
  4. Step 4: Simplify right side
    676,183.14x = 359,940,329,665.99
  5. Step 5: Solve for x
    x = 359,940,329,665.99/676,183.14
  6. Step 6: Final answer
    x = 532,311.90

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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.