Home / 1,298,519.03-1,793,105.27-809,323.44

Finding the Fourth Proportional to 1,298,519.03, 1,793,105.27 and 809,323.44

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Solution

The fourth proportional to 1,298,519.03, 1,793,105.27 and 809,323.44 is: 1,117,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,519.03 : 1,793,105.27 = 809,323.44 : x
  2. Step 2: Convert to fraction form
    1,298,519.03/1,793,105.27 = 809,323.44/x
  3. Step 3: Cross multiply
    1,298,519.03x = 1,793,105.27 × 809,323.44
  4. Step 4: Simplify right side
    1,298,519.03x = 1,451,202,125,398.53
  5. Step 5: Solve for x
    x = 1,451,202,125,398.53/1,298,519.03
  6. Step 6: Final answer
    x = 1,117,582.49

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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.