Home / 1,943,726.57-2,915,568.80-664,321.85

Finding the Fourth Proportional to 1,943,726.57, 2,915,568.80 and 664,321.85

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Solution

The fourth proportional to 1,943,726.57, 2,915,568.80 and 664,321.85 is: 996,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,726.57 : 2,915,568.80 = 664,321.85 : x
  2. Step 2: Convert to fraction form
    1,943,726.57/2,915,568.80 = 664,321.85/x
  3. Step 3: Cross multiply
    1,943,726.57x = 2,915,568.80 × 664,321.85
  4. Step 4: Simplify right side
    1,943,726.57x = 1,936,876,055,696.67
  5. Step 5: Solve for x
    x = 1,936,876,055,696.67/1,943,726.57
  6. Step 6: Final answer
    x = 996,475.58

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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.