Home / 500,962.19-690,858.92-319,791.11

Finding the Fourth Proportional to 500,962.19, 690,858.92 and 319,791.11

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Solution

The fourth proportional to 500,962.19, 690,858.92 and 319,791.11 is: 441,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,962.19 : 690,858.92 = 319,791.11 : x
  2. Step 2: Convert to fraction form
    500,962.19/690,858.92 = 319,791.11/x
  3. Step 3: Cross multiply
    500,962.19x = 690,858.92 × 319,791.11
  4. Step 4: Simplify right side
    500,962.19x = 220,930,538,225.38
  5. Step 5: Solve for x
    x = 220,930,538,225.38/500,962.19
  6. Step 6: Final answer
    x = 441,012.41

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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.