Home / 1,101,101.47-1,519,517.54-611,146.04

Finding the Fourth Proportional to 1,101,101.47, 1,519,517.54 and 611,146.04

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Solution

The fourth proportional to 1,101,101.47, 1,519,517.54 and 611,146.04 is: 843,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,101.47 : 1,519,517.54 = 611,146.04 : x
  2. Step 2: Convert to fraction form
    1,101,101.47/1,519,517.54 = 611,146.04/x
  3. Step 3: Cross multiply
    1,101,101.47x = 1,519,517.54 × 611,146.04
  4. Step 4: Simplify right side
    1,101,101.47x = 928,647,121,211.82
  5. Step 5: Solve for x
    x = 928,647,121,211.82/1,101,101.47
  6. Step 6: Final answer
    x = 843,380.15

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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.