Home / 822,805.20-1,234,298.52-261,708.48

Finding the Fourth Proportional to 822,805.20, 1,234,298.52 and 261,708.48

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Solution

The fourth proportional to 822,805.20, 1,234,298.52 and 261,708.48 is: 392,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,805.20 : 1,234,298.52 = 261,708.48 : x
  2. Step 2: Convert to fraction form
    822,805.20/1,234,298.52 = 261,708.48/x
  3. Step 3: Cross multiply
    822,805.20x = 1,234,298.52 × 261,708.48
  4. Step 4: Simplify right side
    822,805.20x = 323,026,389,535.45
  5. Step 5: Solve for x
    x = 323,026,389,535.45/822,805.20
  6. Step 6: Final answer
    x = 392,591.58

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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.