Home / 773,107.20-1,159,660.80-204,487.20

Finding the Fourth Proportional to 773,107.20, 1,159,660.80 and 204,487.20

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Solution

The fourth proportional to 773,107.20, 1,159,660.80 and 204,487.20 is: 306,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,107.20 : 1,159,660.80 = 204,487.20 : x
  2. Step 2: Convert to fraction form
    773,107.20/1,159,660.80 = 204,487.20/x
  3. Step 3: Cross multiply
    773,107.20x = 1,159,660.80 × 204,487.20
  4. Step 4: Simplify right side
    773,107.20x = 237,135,789,941.76
  5. Step 5: Solve for x
    x = 237,135,789,941.76/773,107.20
  6. Step 6: Final answer
    x = 306,730.80

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Double scale
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Similar ratio
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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.