Home / 654,540.20-981,810.30-626,546.60

Finding the Fourth Proportional to 654,540.20, 981,810.30 and 626,546.60

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Solution

The fourth proportional to 654,540.20, 981,810.30 and 626,546.60 is: 939,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,540.20 : 981,810.30 = 626,546.60 : x
  2. Step 2: Convert to fraction form
    654,540.20/981,810.30 = 626,546.60/x
  3. Step 3: Cross multiply
    654,540.20x = 981,810.30 × 626,546.60
  4. Step 4: Simplify right side
    654,540.20x = 615,149,905,309.98
  5. Step 5: Solve for x
    x = 615,149,905,309.98/654,540.20
  6. Step 6: Final answer
    x = 939,819.90

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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.