Home / 400,516.62-552,851.19-230,818.38

Finding the Fourth Proportional to 400,516.62, 552,851.19 and 230,818.38

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Solution

The fourth proportional to 400,516.62, 552,851.19 and 230,818.38 is: 318,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,516.62 : 552,851.19 = 230,818.38 : x
  2. Step 2: Convert to fraction form
    400,516.62/552,851.19 = 230,818.38/x
  3. Step 3: Cross multiply
    400,516.62x = 552,851.19 × 230,818.38
  4. Step 4: Simplify right side
    400,516.62x = 127,608,216,056.87
  5. Step 5: Solve for x
    x = 127,608,216,056.87/400,516.62
  6. Step 6: Final answer
    x = 318,609.04

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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.