Home / 577,531.66-867,083.44-324,990.57

Finding the Fourth Proportional to 577,531.66, 867,083.44 and 324,990.57

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Solution

The fourth proportional to 577,531.66, 867,083.44 and 324,990.57 is: 487,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,531.66 : 867,083.44 = 324,990.57 : x
  2. Step 2: Convert to fraction form
    577,531.66/867,083.44 = 324,990.57/x
  3. Step 3: Cross multiply
    577,531.66x = 867,083.44 × 324,990.57
  4. Step 4: Simplify right side
    577,531.66x = 281,793,941,403.16
  5. Step 5: Solve for x
    x = 281,793,941,403.16/577,531.66
  6. Step 6: Final answer
    x = 487,928.13

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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.