Home / 1,204,650.90-1,662,470.37-721,122.48

Finding the Fourth Proportional to 1,204,650.90, 1,662,470.37 and 721,122.48

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Solution

The fourth proportional to 1,204,650.90, 1,662,470.37 and 721,122.48 is: 995,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,650.90 : 1,662,470.37 = 721,122.48 : x
  2. Step 2: Convert to fraction form
    1,204,650.90/1,662,470.37 = 721,122.48/x
  3. Step 3: Cross multiply
    1,204,650.90x = 1,662,470.37 × 721,122.48
  4. Step 4: Simplify right side
    1,204,650.90x = 1,198,844,756,140.92
  5. Step 5: Solve for x
    x = 1,198,844,756,140.92/1,204,650.90
  6. Step 6: Final answer
    x = 995,180.23

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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.