Home / 1,279,936.09-1,766,317.82-699,167.27

Finding the Fourth Proportional to 1,279,936.09, 1,766,317.82 and 699,167.27

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Solution

The fourth proportional to 1,279,936.09, 1,766,317.82 and 699,167.27 is: 964,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,936.09 : 1,766,317.82 = 699,167.27 : x
  2. Step 2: Convert to fraction form
    1,279,936.09/1,766,317.82 = 699,167.27/x
  3. Step 3: Cross multiply
    1,279,936.09x = 1,766,317.82 × 699,167.27
  4. Step 4: Simplify right side
    1,279,936.09x = 1,234,951,608,161.75
  5. Step 5: Solve for x
    x = 1,234,951,608,161.75/1,279,936.09
  6. Step 6: Final answer
    x = 964,854.12

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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.