Home / 826,620.20-1,239,930.30-616,668.20

Finding the Fourth Proportional to 826,620.20, 1,239,930.30 and 616,668.20

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Solution

The fourth proportional to 826,620.20, 1,239,930.30 and 616,668.20 is: 925,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,620.20 : 1,239,930.30 = 616,668.20 : x
  2. Step 2: Convert to fraction form
    826,620.20/1,239,930.30 = 616,668.20/x
  3. Step 3: Cross multiply
    826,620.20x = 1,239,930.30 × 616,668.20
  4. Step 4: Simplify right side
    826,620.20x = 764,625,586,226.46
  5. Step 5: Solve for x
    x = 764,625,586,226.46/826,620.20
  6. Step 6: Final answer
    x = 925,002.30

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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.