Home / 629,052.28-868,061.31-357,083.79

Finding the Fourth Proportional to 629,052.28, 868,061.31 and 357,083.79

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Solution

The fourth proportional to 629,052.28, 868,061.31 and 357,083.79 is: 492,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,052.28 : 868,061.31 = 357,083.79 : x
  2. Step 2: Convert to fraction form
    629,052.28/868,061.31 = 357,083.79/x
  3. Step 3: Cross multiply
    629,052.28x = 868,061.31 × 357,083.79
  4. Step 4: Simplify right side
    629,052.28x = 309,970,622,815.72
  5. Step 5: Solve for x
    x = 309,970,622,815.72/629,052.28
  6. Step 6: Final answer
    x = 492,758.13

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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.