Home / 408,736.80-563,967.36-238,893.12

Finding the Fourth Proportional to 408,736.80, 563,967.36 and 238,893.12

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Solution

The fourth proportional to 408,736.80, 563,967.36 and 238,893.12 is: 329,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,736.80 : 563,967.36 = 238,893.12 : x
  2. Step 2: Convert to fraction form
    408,736.80/563,967.36 = 238,893.12/x
  3. Step 3: Cross multiply
    408,736.80x = 563,967.36 × 238,893.12
  4. Step 4: Simplify right side
    408,736.80x = 134,727,922,208.56
  5. Step 5: Solve for x
    x = 134,727,922,208.56/408,736.80
  6. Step 6: Final answer
    x = 329,620.24

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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.