Home / 535,104.20-801,586.88-321,755.31

Finding the Fourth Proportional to 535,104.20, 801,586.88 and 321,755.31

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Solution

The fourth proportional to 535,104.20, 801,586.88 and 321,755.31 is: 481,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,104.20 : 801,586.88 = 321,755.31 : x
  2. Step 2: Convert to fraction form
    535,104.20/801,586.88 = 321,755.31/x
  3. Step 3: Cross multiply
    535,104.20x = 801,586.88 × 321,755.31
  4. Step 4: Simplify right side
    535,104.20x = 257,914,835,066.33
  5. Step 5: Solve for x
    x = 257,914,835,066.33/535,104.20
  6. Step 6: Final answer
    x = 481,989.93

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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.