Home / 773,705.20-1,159,636.20-324,425.20

Finding the Fourth Proportional to 773,705.20, 1,159,636.20 and 324,425.20

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Solution

The fourth proportional to 773,705.20, 1,159,636.20 and 324,425.20 is: 486,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,705.20 : 1,159,636.20 = 324,425.20 : x
  2. Step 2: Convert to fraction form
    773,705.20/1,159,636.20 = 324,425.20/x
  3. Step 3: Cross multiply
    773,705.20x = 1,159,636.20 × 324,425.20
  4. Step 4: Simplify right side
    773,705.20x = 376,215,206,112.24
  5. Step 5: Solve for x
    x = 376,215,206,112.24/773,705.20
  6. Step 6: Final answer
    x = 486,251.36

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Double scale
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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.