Home / 824,446.80-1,236,670.20-741,778.20

Finding the Fourth Proportional to 824,446.80, 1,236,670.20 and 741,778.20

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Solution

The fourth proportional to 824,446.80, 1,236,670.20 and 741,778.20 is: 1,112,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,446.80 : 1,236,670.20 = 741,778.20 : x
  2. Step 2: Convert to fraction form
    824,446.80/1,236,670.20 = 741,778.20/x
  3. Step 3: Cross multiply
    824,446.80x = 1,236,670.20 × 741,778.20
  4. Step 4: Simplify right side
    824,446.80x = 917,334,994,949.64
  5. Step 5: Solve for x
    x = 917,334,994,949.64/824,446.80
  6. Step 6: Final answer
    x = 1,112,667.30

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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.