Home / 823,451.52-1,136,201.60-460,891.20

Finding the Fourth Proportional to 823,451.52, 1,136,201.60 and 460,891.20

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Solution

The fourth proportional to 823,451.52, 1,136,201.60 and 460,891.20 is: 635,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,451.52 : 1,136,201.60 = 460,891.20 : x
  2. Step 2: Convert to fraction form
    823,451.52/1,136,201.60 = 460,891.20/x
  3. Step 3: Cross multiply
    823,451.52x = 1,136,201.60 × 460,891.20
  4. Step 4: Simplify right side
    823,451.52x = 523,665,318,865.92
  5. Step 5: Solve for x
    x = 523,665,318,865.92/823,451.52
  6. Step 6: Final answer
    x = 635,939.46

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.