Home / 577,793.18-865,979.91-324,541.28

Finding the Fourth Proportional to 577,793.18, 865,979.91 and 324,541.28

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Solution

The fourth proportional to 577,793.18, 865,979.91 and 324,541.28 is: 486,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,793.18 : 865,979.91 = 324,541.28 : x
  2. Step 2: Convert to fraction form
    577,793.18/865,979.91 = 324,541.28/x
  3. Step 3: Cross multiply
    577,793.18x = 865,979.91 × 324,541.28
  4. Step 4: Simplify right side
    577,793.18x = 281,046,230,610.64
  5. Step 5: Solve for x
    x = 281,046,230,610.64/577,793.18
  6. Step 6: Final answer
    x = 486,413.20

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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.