Home / 398,613.12-597,919.68-273,575.04

Finding the Fourth Proportional to 398,613.12, 597,919.68 and 273,575.04

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Solution

The fourth proportional to 398,613.12, 597,919.68 and 273,575.04 is: 410,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,613.12 : 597,919.68 = 273,575.04 : x
  2. Step 2: Convert to fraction form
    398,613.12/597,919.68 = 273,575.04/x
  3. Step 3: Cross multiply
    398,613.12x = 597,919.68 × 273,575.04
  4. Step 4: Simplify right side
    398,613.12x = 163,575,900,372.79
  5. Step 5: Solve for x
    x = 163,575,900,372.79/398,613.12
  6. Step 6: Final answer
    x = 410,362.56

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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.