Home / 858,791.16-1,288,186.74-227,754.18

Finding the Fourth Proportional to 858,791.16, 1,288,186.74 and 227,754.18

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Solution

The fourth proportional to 858,791.16, 1,288,186.74 and 227,754.18 is: 341,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,791.16 : 1,288,186.74 = 227,754.18 : x
  2. Step 2: Convert to fraction form
    858,791.16/1,288,186.74 = 227,754.18/x
  3. Step 3: Cross multiply
    858,791.16x = 1,288,186.74 × 227,754.18
  4. Step 4: Simplify right side
    858,791.16x = 293,389,914,655.57
  5. Step 5: Solve for x
    x = 293,389,914,655.57/858,791.16
  6. Step 6: Final answer
    x = 341,631.27

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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.