Home / 1,532,578.13-2,115,023.43-853,514.63

Finding the Fourth Proportional to 1,532,578.13, 2,115,023.43 and 853,514.63

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Solution

The fourth proportional to 1,532,578.13, 2,115,023.43 and 853,514.63 is: 1,177,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,578.13 : 2,115,023.43 = 853,514.63 : x
  2. Step 2: Convert to fraction form
    1,532,578.13/2,115,023.43 = 853,514.63/x
  3. Step 3: Cross multiply
    1,532,578.13x = 2,115,023.43 × 853,514.63
  4. Step 4: Simplify right side
    1,532,578.13x = 1,805,203,429,722.66
  5. Step 5: Solve for x
    x = 1,805,203,429,722.66/1,532,578.13
  6. Step 6: Final answer
    x = 1,177,886.73

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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.