Home / 579,517.29-869,399.06-180,148.41

Finding the Fourth Proportional to 579,517.29, 869,399.06 and 180,148.41

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Solution

The fourth proportional to 579,517.29, 869,399.06 and 180,148.41 is: 270,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,517.29 : 869,399.06 = 180,148.41 : x
  2. Step 2: Convert to fraction form
    579,517.29/869,399.06 = 180,148.41/x
  3. Step 3: Cross multiply
    579,517.29x = 869,399.06 × 180,148.41
  4. Step 4: Simplify right side
    579,517.29x = 156,620,857,413.75
  5. Step 5: Solve for x
    x = 156,620,857,413.75/579,517.29
  6. Step 6: Final answer
    x = 270,260.89

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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.