Home / 408,456.96-563,587.28-238,658.24

Finding the Fourth Proportional to 408,456.96, 563,587.28 and 238,658.24

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Solution

The fourth proportional to 408,456.96, 563,587.28 and 238,658.24 is: 329,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,456.96 : 563,587.28 = 238,658.24 : x
  2. Step 2: Convert to fraction form
    408,456.96/563,587.28 = 238,658.24/x
  3. Step 3: Cross multiply
    408,456.96x = 563,587.28 × 238,658.24
  4. Step 4: Simplify right side
    408,456.96x = 134,504,748,331.19
  5. Step 5: Solve for x
    x = 134,504,748,331.19/408,456.96
  6. Step 6: Final answer
    x = 329,299.69

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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.