Home / 547,960.96-822,023.52-192,912.40

Finding the Fourth Proportional to 547,960.96, 822,023.52 and 192,912.40

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Solution

The fourth proportional to 547,960.96, 822,023.52 and 192,912.40 is: 289,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,960.96 : 822,023.52 = 192,912.40 : x
  2. Step 2: Convert to fraction form
    547,960.96/822,023.52 = 192,912.40/x
  3. Step 3: Cross multiply
    547,960.96x = 822,023.52 × 192,912.40
  4. Step 4: Simplify right side
    547,960.96x = 158,578,530,099.65
  5. Step 5: Solve for x
    x = 158,578,530,099.65/547,960.96
  6. Step 6: Final answer
    x = 289,397.50

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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.