Home / 624,470.13-936,738.36-198,039.56

Finding the Fourth Proportional to 624,470.13, 936,738.36 and 198,039.56

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Solution

The fourth proportional to 624,470.13, 936,738.36 and 198,039.56 is: 297,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,470.13 : 936,738.36 = 198,039.56 : x
  2. Step 2: Convert to fraction form
    624,470.13/936,738.36 = 198,039.56/x
  3. Step 3: Cross multiply
    624,470.13x = 936,738.36 × 198,039.56
  4. Step 4: Simplify right side
    624,470.13x = 185,511,247,965.83
  5. Step 5: Solve for x
    x = 185,511,247,965.83/624,470.13
  6. Step 6: Final answer
    x = 297,069.85

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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.