Home / 585,819.20-878,872.80-165,089.60

Finding the Fourth Proportional to 585,819.20, 878,872.80 and 165,089.60

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Solution

The fourth proportional to 585,819.20, 878,872.80 and 165,089.60 is: 247,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,819.20 : 878,872.80 = 165,089.60 : x
  2. Step 2: Convert to fraction form
    585,819.20/878,872.80 = 165,089.60/x
  3. Step 3: Cross multiply
    585,819.20x = 878,872.80 × 165,089.60
  4. Step 4: Simplify right side
    585,819.20x = 145,092,759,002.88
  5. Step 5: Solve for x
    x = 145,092,759,002.88/585,819.20
  6. Step 6: Final answer
    x = 247,674.98

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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.