Home / 397,819.91-548,609.87-267,292.74

Finding the Fourth Proportional to 397,819.91, 548,609.87 and 267,292.74

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Solution

The fourth proportional to 397,819.91, 548,609.87 and 267,292.74 is: 368,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,819.91 : 548,609.87 = 267,292.74 : x
  2. Step 2: Convert to fraction form
    397,819.91/548,609.87 = 267,292.74/x
  3. Step 3: Cross multiply
    397,819.91x = 548,609.87 × 267,292.74
  4. Step 4: Simplify right side
    397,819.91x = 146,639,435,343.34
  5. Step 5: Solve for x
    x = 146,639,435,343.34/397,819.91
  6. Step 6: Final answer
    x = 368,607.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.