Home / 644,028.20-966,042.30-194,818.40

Finding the Fourth Proportional to 644,028.20, 966,042.30 and 194,818.40

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Solution

The fourth proportional to 644,028.20, 966,042.30 and 194,818.40 is: 292,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,028.20 : 966,042.30 = 194,818.40 : x
  2. Step 2: Convert to fraction form
    644,028.20/966,042.30 = 194,818.40/x
  3. Step 3: Cross multiply
    644,028.20x = 966,042.30 × 194,818.40
  4. Step 4: Simplify right side
    644,028.20x = 188,202,815,218.32
  5. Step 5: Solve for x
    x = 188,202,815,218.32/644,028.20
  6. Step 6: Final answer
    x = 292,227.60

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Similar ratio
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1.5x scale

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.