Home / 654,721.25-982,321.74-275,737.37

Finding the Fourth Proportional to 654,721.25, 982,321.74 and 275,737.37

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Solution

The fourth proportional to 654,721.25, 982,321.74 and 275,737.37 is: 413,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,721.25 : 982,321.74 = 275,737.37 : x
  2. Step 2: Convert to fraction form
    654,721.25/982,321.74 = 275,737.37/x
  3. Step 3: Cross multiply
    654,721.25x = 982,321.74 × 275,737.37
  4. Step 4: Simplify right side
    654,721.25x = 270,862,815,537.23
  5. Step 5: Solve for x
    x = 270,862,815,537.23/654,721.25
  6. Step 6: Final answer
    x = 413,707.08

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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.