Home / 1,254,514.80-1,731,221.19-681,559.68

Finding the Fourth Proportional to 1,254,514.80, 1,731,221.19 and 681,559.68

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Solution

The fourth proportional to 1,254,514.80, 1,731,221.19 and 681,559.68 is: 940,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,514.80 : 1,731,221.19 = 681,559.68 : x
  2. Step 2: Convert to fraction form
    1,254,514.80/1,731,221.19 = 681,559.68/x
  3. Step 3: Cross multiply
    1,254,514.80x = 1,731,221.19 × 681,559.68
  4. Step 4: Simplify right side
    1,254,514.80x = 1,179,930,560,265.62
  5. Step 5: Solve for x
    x = 1,179,930,560,265.62/1,254,514.80
  6. Step 6: Final answer
    x = 940,547.34

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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.