Home / 579,020.58-868,364.46-199,842.84

Finding the Fourth Proportional to 579,020.58, 868,364.46 and 199,842.84

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Solution

The fourth proportional to 579,020.58, 868,364.46 and 199,842.84 is: 299,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,020.58 : 868,364.46 = 199,842.84 : x
  2. Step 2: Convert to fraction form
    579,020.58/868,364.46 = 199,842.84/x
  3. Step 3: Cross multiply
    579,020.58x = 868,364.46 × 199,842.84
  4. Step 4: Simplify right side
    579,020.58x = 173,536,419,841.47
  5. Step 5: Solve for x
    x = 173,536,419,841.47/579,020.58
  6. Step 6: Final answer
    x = 299,706.83

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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.