Home / 619,680.85-929,433.76-198,902.05

Finding the Fourth Proportional to 619,680.85, 929,433.76 and 198,902.05

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Solution

The fourth proportional to 619,680.85, 929,433.76 and 198,902.05 is: 298,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,680.85 : 929,433.76 = 198,902.05 : x
  2. Step 2: Convert to fraction form
    619,680.85/929,433.76 = 198,902.05/x
  3. Step 3: Cross multiply
    619,680.85x = 929,433.76 × 198,902.05
  4. Step 4: Simplify right side
    619,680.85x = 184,866,277,382.37
  5. Step 5: Solve for x
    x = 184,866,277,382.37/619,680.85
  6. Step 6: Final answer
    x = 298,324.98

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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.