Home / 377,939.98-521,557.89-205,857.41

Finding the Fourth Proportional to 377,939.98, 521,557.89 and 205,857.41

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Solution

The fourth proportional to 377,939.98, 521,557.89 and 205,857.41 is: 284,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,939.98 : 521,557.89 = 205,857.41 : x
  2. Step 2: Convert to fraction form
    377,939.98/521,557.89 = 205,857.41/x
  3. Step 3: Cross multiply
    377,939.98x = 521,557.89 × 205,857.41
  4. Step 4: Simplify right side
    377,939.98x = 107,366,555,066.57
  5. Step 5: Solve for x
    x = 107,366,555,066.57/377,939.98
  6. Step 6: Final answer
    x = 284,083.62

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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.