Home / 347,646.23-479,542.29-204,288.38

Finding the Fourth Proportional to 347,646.23, 479,542.29 and 204,288.38

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Solution

The fourth proportional to 347,646.23, 479,542.29 and 204,288.38 is: 281,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,646.23 : 479,542.29 = 204,288.38 : x
  2. Step 2: Convert to fraction form
    347,646.23/479,542.29 = 204,288.38/x
  3. Step 3: Cross multiply
    347,646.23x = 479,542.29 × 204,288.38
  4. Step 4: Simplify right side
    347,646.23x = 97,964,917,998.36
  5. Step 5: Solve for x
    x = 97,964,917,998.36/347,646.23
  6. Step 6: Final answer
    x = 281,794.85

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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.