Home / 1,302,819.91-1,797,891.64-722,080.53

Finding the Fourth Proportional to 1,302,819.91, 1,797,891.64 and 722,080.53

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Solution

The fourth proportional to 1,302,819.91, 1,797,891.64 and 722,080.53 is: 996,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,819.91 : 1,797,891.64 = 722,080.53 : x
  2. Step 2: Convert to fraction form
    1,302,819.91/1,797,891.64 = 722,080.53/x
  3. Step 3: Cross multiply
    1,302,819.91x = 1,797,891.64 × 722,080.53
  4. Step 4: Simplify right side
    1,302,819.91x = 1,298,222,546,488.57
  5. Step 5: Solve for x
    x = 1,298,222,546,488.57/1,302,819.91
  6. Step 6: Final answer
    x = 996,471.22

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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.