Home / 408,317.12-563,394.78-238,518.44

Finding the Fourth Proportional to 408,317.12, 563,394.78 and 238,518.44

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Solution

The fourth proportional to 408,317.12, 563,394.78 and 238,518.44 is: 329,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,317.12 : 563,394.78 = 238,518.44 : x
  2. Step 2: Convert to fraction form
    408,317.12/563,394.78 = 238,518.44/x
  3. Step 3: Cross multiply
    408,317.12x = 563,394.78 × 238,518.44
  4. Step 4: Simplify right side
    408,317.12x = 134,380,044,029.74
  5. Step 5: Solve for x
    x = 134,380,044,029.74/408,317.12
  6. Step 6: Final answer
    x = 329,107.05

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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.