Home / 644,511.35-966,816.23-195,269.43

Finding the Fourth Proportional to 644,511.35, 966,816.23 and 195,269.43

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Solution

The fourth proportional to 644,511.35, 966,816.23 and 195,269.43 is: 292,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,511.35 : 966,816.23 = 195,269.43 : x
  2. Step 2: Convert to fraction form
    644,511.35/966,816.23 = 195,269.43/x
  3. Step 3: Cross multiply
    644,511.35x = 966,816.23 × 195,269.43
  4. Step 4: Simplify right side
    644,511.35x = 188,789,654,146.85
  5. Step 5: Solve for x
    x = 188,789,654,146.85/644,511.35
  6. Step 6: Final answer
    x = 292,919.05

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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.