Home / 858,796.16-1,288,194.26-227,759.20

Finding the Fourth Proportional to 858,796.16, 1,288,194.26 and 227,759.20

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Solution

The fourth proportional to 858,796.16, 1,288,194.26 and 227,759.20 is: 341,638.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,796.16 : 1,288,194.26 = 227,759.20 : x
  2. Step 2: Convert to fraction form
    858,796.16/1,288,194.26 = 227,759.20/x
  3. Step 3: Cross multiply
    858,796.16x = 1,288,194.26 × 227,759.20
  4. Step 4: Simplify right side
    858,796.16x = 293,398,094,102.19
  5. Step 5: Solve for x
    x = 293,398,094,102.19/858,796.16
  6. Step 6: Final answer
    x = 341,638.81

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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.