Home / 641,635.32-885,559.94-366,083.15

Finding the Fourth Proportional to 641,635.32, 885,559.94 and 366,083.15

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Solution

The fourth proportional to 641,635.32, 885,559.94 and 366,083.15 is: 505,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,635.32 : 885,559.94 = 366,083.15 : x
  2. Step 2: Convert to fraction form
    641,635.32/885,559.94 = 366,083.15/x
  3. Step 3: Cross multiply
    641,635.32x = 885,559.94 × 366,083.15
  4. Step 4: Simplify right side
    641,635.32x = 324,188,567,463.61
  5. Step 5: Solve for x
    x = 324,188,567,463.61/641,635.32
  6. Step 6: Final answer
    x = 505,253.62

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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.