Home / 578,680.91-868,063.03-199,596.15

Finding the Fourth Proportional to 578,680.91, 868,063.03 and 199,596.15

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Solution

The fourth proportional to 578,680.91, 868,063.03 and 199,596.15 is: 299,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,680.91 : 868,063.03 = 199,596.15 : x
  2. Step 2: Convert to fraction form
    578,680.91/868,063.03 = 199,596.15/x
  3. Step 3: Cross multiply
    578,680.91x = 868,063.03 × 199,596.15
  4. Step 4: Simplify right side
    578,680.91x = 173,262,038,246.34
  5. Step 5: Solve for x
    x = 173,262,038,246.34/578,680.91
  6. Step 6: Final answer
    x = 299,408.60

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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.