Home / 1,198,463.13-1,653,876.45-689,165.55

Finding the Fourth Proportional to 1,198,463.13, 1,653,876.45 and 689,165.55

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Solution

The fourth proportional to 1,198,463.13, 1,653,876.45 and 689,165.55 is: 951,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,463.13 : 1,653,876.45 = 689,165.55 : x
  2. Step 2: Convert to fraction form
    1,198,463.13/1,653,876.45 = 689,165.55/x
  3. Step 3: Cross multiply
    1,198,463.13x = 1,653,876.45 × 689,165.55
  4. Step 4: Simplify right side
    1,198,463.13x = 1,139,794,673,296.30
  5. Step 5: Solve for x
    x = 1,139,794,673,296.30/1,198,463.13
  6. Step 6: Final answer
    x = 951,046.92

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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.