Home / 481,049.06-721,456.95-200,413.22

Finding the Fourth Proportional to 481,049.06, 721,456.95 and 200,413.22

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Solution

The fourth proportional to 481,049.06, 721,456.95 and 200,413.22 is: 300,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,049.06 : 721,456.95 = 200,413.22 : x
  2. Step 2: Convert to fraction form
    481,049.06/721,456.95 = 200,413.22/x
  3. Step 3: Cross multiply
    481,049.06x = 721,456.95 × 200,413.22
  4. Step 4: Simplify right side
    481,049.06x = 144,589,510,440.88
  5. Step 5: Solve for x
    x = 144,589,510,440.88/481,049.06
  6. Step 6: Final answer
    x = 300,571.24

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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.