Home / 641,198.96-962,063.27-281,183.45

Finding the Fourth Proportional to 641,198.96, 962,063.27 and 281,183.45

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Solution

The fourth proportional to 641,198.96, 962,063.27 and 281,183.45 is: 421,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,198.96 : 962,063.27 = 281,183.45 : x
  2. Step 2: Convert to fraction form
    641,198.96/962,063.27 = 281,183.45/x
  3. Step 3: Cross multiply
    641,198.96x = 962,063.27 × 281,183.45
  4. Step 4: Simplify right side
    641,198.96x = 270,516,265,269.52
  5. Step 5: Solve for x
    x = 270,516,265,269.52/641,198.96
  6. Step 6: Final answer
    x = 421,891.30

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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.