Home / 463,176.75-639,201.20-261,968.43

Finding the Fourth Proportional to 463,176.75, 639,201.20 and 261,968.43

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Solution

The fourth proportional to 463,176.75, 639,201.20 and 261,968.43 is: 361,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,176.75 : 639,201.20 = 261,968.43 : x
  2. Step 2: Convert to fraction form
    463,176.75/639,201.20 = 261,968.43/x
  3. Step 3: Cross multiply
    463,176.75x = 639,201.20 × 261,968.43
  4. Step 4: Simplify right side
    463,176.75x = 167,450,533,508.27
  5. Step 5: Solve for x
    x = 167,450,533,508.27/463,176.75
  6. Step 6: Final answer
    x = 361,526.21

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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.