Home / 1,192,067.22-1,645,061.31-648,199.11

Finding the Fourth Proportional to 1,192,067.22, 1,645,061.31 and 648,199.11

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Solution

The fourth proportional to 1,192,067.22, 1,645,061.31 and 648,199.11 is: 894,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,067.22 : 1,645,061.31 = 648,199.11 : x
  2. Step 2: Convert to fraction form
    1,192,067.22/1,645,061.31 = 648,199.11/x
  3. Step 3: Cross multiply
    1,192,067.22x = 1,645,061.31 × 648,199.11
  4. Step 4: Simplify right side
    1,192,067.22x = 1,066,327,277,037.43
  5. Step 5: Solve for x
    x = 1,066,327,277,037.43/1,192,067.22
  6. Step 6: Final answer
    x = 894,519.42

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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.