Home / 1,543,042.97-2,129,352.41-854,687.69

Finding the Fourth Proportional to 1,543,042.97, 2,129,352.41 and 854,687.69

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Solution

The fourth proportional to 1,543,042.97, 2,129,352.41 and 854,687.69 is: 1,179,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,042.97 : 2,129,352.41 = 854,687.69 : x
  2. Step 2: Convert to fraction form
    1,543,042.97/2,129,352.41 = 854,687.69/x
  3. Step 3: Cross multiply
    1,543,042.97x = 2,129,352.41 × 854,687.69
  4. Step 4: Simplify right side
    1,543,042.97x = 1,819,931,288,225.39
  5. Step 5: Solve for x
    x = 1,819,931,288,225.39/1,543,042.97
  6. Step 6: Final answer
    x = 1,179,443.04

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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.