Home / 489,244.12-675,091.64-271,449.30

Finding the Fourth Proportional to 489,244.12, 675,091.64 and 271,449.30

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Solution

The fourth proportional to 489,244.12, 675,091.64 and 271,449.30 is: 374,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,244.12 : 675,091.64 = 271,449.30 : x
  2. Step 2: Convert to fraction form
    489,244.12/675,091.64 = 271,449.30/x
  3. Step 3: Cross multiply
    489,244.12x = 675,091.64 × 271,449.30
  4. Step 4: Simplify right side
    489,244.12x = 183,253,153,113.85
  5. Step 5: Solve for x
    x = 183,253,153,113.85/489,244.12
  6. Step 6: Final answer
    x = 374,563.83

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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.