Home / 535,103.20-801,585.38-321,754.31

Finding the Fourth Proportional to 535,103.20, 801,585.38 and 321,754.31

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Solution

The fourth proportional to 535,103.20, 801,585.38 and 321,754.31 is: 481,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,103.20 : 801,585.38 = 321,754.31 : x
  2. Step 2: Convert to fraction form
    535,103.20/801,585.38 = 321,754.31/x
  3. Step 3: Cross multiply
    535,103.20x = 801,585.38 × 321,754.31
  4. Step 4: Simplify right side
    535,103.20x = 257,913,550,650.39
  5. Step 5: Solve for x
    x = 257,913,550,650.39/535,103.20
  6. Step 6: Final answer
    x = 481,988.43

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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.