Home / 398,548.42-597,965.22-170,748.36

Finding the Fourth Proportional to 398,548.42, 597,965.22 and 170,748.36

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Solution

The fourth proportional to 398,548.42, 597,965.22 and 170,748.36 is: 256,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,548.42 : 597,965.22 = 170,748.36 : x
  2. Step 2: Convert to fraction form
    398,548.42/597,965.22 = 170,748.36/x
  3. Step 3: Cross multiply
    398,548.42x = 597,965.22 × 170,748.36
  4. Step 4: Simplify right side
    398,548.42x = 102,101,580,652.04
  5. Step 5: Solve for x
    x = 102,101,580,652.04/398,548.42
  6. Step 6: Final answer
    x = 256,183.63

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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.