Home / 826,630.30-1,239,945.45-543,195.10

Finding the Fourth Proportional to 826,630.30, 1,239,945.45 and 543,195.10

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Solution

The fourth proportional to 826,630.30, 1,239,945.45 and 543,195.10 is: 814,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,630.30 : 1,239,945.45 = 543,195.10 : x
  2. Step 2: Convert to fraction form
    826,630.30/1,239,945.45 = 543,195.10/x
  3. Step 3: Cross multiply
    826,630.30x = 1,239,945.45 × 543,195.10
  4. Step 4: Simplify right side
    826,630.30x = 673,532,292,707.30
  5. Step 5: Solve for x
    x = 673,532,292,707.30/826,630.30
  6. Step 6: Final answer
    x = 814,792.65

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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.