Home / 858,803.14-1,288,204.77-267,827.14

Finding the Fourth Proportional to 858,803.14, 1,288,204.77 and 267,827.14

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Solution

The fourth proportional to 858,803.14, 1,288,204.77 and 267,827.14 is: 401,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,803.14 : 1,288,204.77 = 267,827.14 : x
  2. Step 2: Convert to fraction form
    858,803.14/1,288,204.77 = 267,827.14/x
  3. Step 3: Cross multiply
    858,803.14x = 1,288,204.77 × 267,827.14
  4. Step 4: Simplify right side
    858,803.14x = 345,016,199,283.46
  5. Step 5: Solve for x
    x = 345,016,199,283.46/858,803.14
  6. Step 6: Final answer
    x = 401,740.73

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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.