Home / 1,481,195.38-2,220,112.86-680,823.04

Finding the Fourth Proportional to 1,481,195.38, 2,220,112.86 and 680,823.04

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Solution

The fourth proportional to 1,481,195.38, 2,220,112.86 and 680,823.04 is: 1,020,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,195.38 : 2,220,112.86 = 680,823.04 : x
  2. Step 2: Convert to fraction form
    1,481,195.38/2,220,112.86 = 680,823.04/x
  3. Step 3: Cross multiply
    1,481,195.38x = 2,220,112.86 × 680,823.04
  4. Step 4: Simplify right side
    1,481,195.38x = 1,511,503,986,488.29
  5. Step 5: Solve for x
    x = 1,511,503,986,488.29/1,481,195.38
  6. Step 6: Final answer
    x = 1,020,462.26

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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.