Home / 1,127,734.98-1,691,340.62-672,453.33

Finding the Fourth Proportional to 1,127,734.98, 1,691,340.62 and 672,453.33

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Solution

The fourth proportional to 1,127,734.98, 1,691,340.62 and 672,453.33 is: 1,008,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,734.98 : 1,691,340.62 = 672,453.33 : x
  2. Step 2: Convert to fraction form
    1,127,734.98/1,691,340.62 = 672,453.33/x
  3. Step 3: Cross multiply
    1,127,734.98x = 1,691,340.62 × 672,453.33
  4. Step 4: Simplify right side
    1,127,734.98x = 1,137,347,628,721.00
  5. Step 5: Solve for x
    x = 1,137,347,628,721.00/1,127,734.98
  6. Step 6: Final answer
    x = 1,008,523.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.