Home / 1,193,327-1,789,794.72-328,560.20

Finding the Fourth Proportional to 1,193,327, 1,789,794.72 and 328,560.20

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Solution

The fourth proportional to 1,193,327, 1,789,794.72 and 328,560.20 is: 492,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,327 : 1,789,794.72 = 328,560.20 : x
  2. Step 2: Convert to fraction form
    1,193,327/1,789,794.72 = 328,560.20/x
  3. Step 3: Cross multiply
    1,193,327x = 1,789,794.72 × 328,560.20
  4. Step 4: Simplify right side
    1,193,327x = 588,055,311,162.14
  5. Step 5: Solve for x
    x = 588,055,311,162.14/1,193,327
  6. Step 6: Final answer
    x = 492,786.40

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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.