Home / 1,418,309.30-1,957,115.91-798,103.64

Finding the Fourth Proportional to 1,418,309.30, 1,957,115.91 and 798,103.64

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Solution

The fourth proportional to 1,418,309.30, 1,957,115.91 and 798,103.64 is: 1,101,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,309.30 : 1,957,115.91 = 798,103.64 : x
  2. Step 2: Convert to fraction form
    1,418,309.30/1,957,115.91 = 798,103.64/x
  3. Step 3: Cross multiply
    1,418,309.30x = 1,957,115.91 × 798,103.64
  4. Step 4: Simplify right side
    1,418,309.30x = 1,561,981,339,558.59
  5. Step 5: Solve for x
    x = 1,561,981,339,558.59/1,418,309.30
  6. Step 6: Final answer
    x = 1,101,298.10

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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.