Home / 400,548.96-552,719.76-239,371.92

Finding the Fourth Proportional to 400,548.96, 552,719.76 and 239,371.92

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Solution

The fourth proportional to 400,548.96, 552,719.76 and 239,371.92 is: 330,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,548.96 : 552,719.76 = 239,371.92 : x
  2. Step 2: Convert to fraction form
    400,548.96/552,719.76 = 239,371.92/x
  3. Step 3: Cross multiply
    400,548.96x = 552,719.76 × 239,371.92
  4. Step 4: Simplify right side
    400,548.96x = 132,305,590,173.14
  5. Step 5: Solve for x
    x = 132,305,590,173.14/400,548.96
  6. Step 6: Final answer
    x = 330,310.66

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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.