Home / 1,532,578.38-2,115,023.77-853,514.88

Finding the Fourth Proportional to 1,532,578.38, 2,115,023.77 and 853,514.88

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Solution

The fourth proportional to 1,532,578.38, 2,115,023.77 and 853,514.88 is: 1,177,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,578.38 : 2,115,023.77 = 853,514.88 : x
  2. Step 2: Convert to fraction form
    1,532,578.38/2,115,023.77 = 853,514.88/x
  3. Step 3: Cross multiply
    1,532,578.38x = 2,115,023.77 × 853,514.88
  4. Step 4: Simplify right side
    1,532,578.38x = 1,805,204,259,248.70
  5. Step 5: Solve for x
    x = 1,805,204,259,248.70/1,532,578.38
  6. Step 6: Final answer
    x = 1,177,887.07

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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.