Home / 1,236,397.92-1,851,402.92-853,329.15

Finding the Fourth Proportional to 1,236,397.92, 1,851,402.92 and 853,329.15

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Solution

The fourth proportional to 1,236,397.92, 1,851,402.92 and 853,329.15 is: 1,277,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,397.92 : 1,851,402.92 = 853,329.15 : x
  2. Step 2: Convert to fraction form
    1,236,397.92/1,851,402.92 = 853,329.15/x
  3. Step 3: Cross multiply
    1,236,397.92x = 1,851,402.92 × 853,329.15
  4. Step 4: Simplify right side
    1,236,397.92x = 1,579,856,075,764.47
  5. Step 5: Solve for x
    x = 1,579,856,075,764.47/1,236,397.92
  6. Step 6: Final answer
    x = 1,277,789.33

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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.