Home / 398,851.13-597,777.77-199,227.24

Finding the Fourth Proportional to 398,851.13, 597,777.77 and 199,227.24

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Solution

The fourth proportional to 398,851.13, 597,777.77 and 199,227.24 is: 298,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,851.13 : 597,777.77 = 199,227.24 : x
  2. Step 2: Convert to fraction form
    398,851.13/597,777.77 = 199,227.24/x
  3. Step 3: Cross multiply
    398,851.13x = 597,777.77 × 199,227.24
  4. Step 4: Simplify right side
    398,851.13x = 119,093,615,748.52
  5. Step 5: Solve for x
    x = 119,093,615,748.52/398,851.13
  6. Step 6: Final answer
    x = 298,591.64

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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.