Home / 1,302,974.97-1,798,213.17-722,380.26

Finding the Fourth Proportional to 1,302,974.97, 1,798,213.17 and 722,380.26

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Solution

The fourth proportional to 1,302,974.97, 1,798,213.17 and 722,380.26 is: 996,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,974.97 : 1,798,213.17 = 722,380.26 : x
  2. Step 2: Convert to fraction form
    1,302,974.97/1,798,213.17 = 722,380.26/x
  3. Step 3: Cross multiply
    1,302,974.97x = 1,798,213.17 × 722,380.26
  4. Step 4: Simplify right side
    1,302,974.97x = 1,298,993,697,280.02
  5. Step 5: Solve for x
    x = 1,298,993,697,280.02/1,302,974.97
  6. Step 6: Final answer
    x = 996,944.47

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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.