Home / 325,566.20-487,766.10-200,761.40

Finding the Fourth Proportional to 325,566.20, 487,766.10 and 200,761.40

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Solution

The fourth proportional to 325,566.20, 487,766.10 and 200,761.40 is: 300,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,566.20 : 487,766.10 = 200,761.40 : x
  2. Step 2: Convert to fraction form
    325,566.20/487,766.10 = 200,761.40/x
  3. Step 3: Cross multiply
    325,566.20x = 487,766.10 × 200,761.40
  4. Step 4: Simplify right side
    325,566.20x = 97,924,605,108.54
  5. Step 5: Solve for x
    x = 97,924,605,108.54/325,566.20
  6. Step 6: Final answer
    x = 300,782.47

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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.