Home / 1,067,851.35-1,601,309.66-319,722.39

Finding the Fourth Proportional to 1,067,851.35, 1,601,309.66 and 319,722.39

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Solution

The fourth proportional to 1,067,851.35, 1,601,309.66 and 319,722.39 is: 479,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,851.35 : 1,601,309.66 = 319,722.39 : x
  2. Step 2: Convert to fraction form
    1,067,851.35/1,601,309.66 = 319,722.39/x
  3. Step 3: Cross multiply
    1,067,851.35x = 1,601,309.66 × 319,722.39
  4. Step 4: Simplify right side
    1,067,851.35x = 511,974,550,026.68
  5. Step 5: Solve for x
    x = 511,974,550,026.68/1,067,851.35
  6. Step 6: Final answer
    x = 479,443.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.