Home / 746,229.73-1,029,833.56-419,645.52

Finding the Fourth Proportional to 746,229.73, 1,029,833.56 and 419,645.52

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Solution

The fourth proportional to 746,229.73, 1,029,833.56 and 419,645.52 is: 579,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,229.73 : 1,029,833.56 = 419,645.52 : x
  2. Step 2: Convert to fraction form
    746,229.73/1,029,833.56 = 419,645.52/x
  3. Step 3: Cross multiply
    746,229.73x = 1,029,833.56 × 419,645.52
  4. Step 4: Simplify right side
    746,229.73x = 432,165,039,799.65
  5. Step 5: Solve for x
    x = 432,165,039,799.65/746,229.73
  6. Step 6: Final answer
    x = 579,131.36

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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.