Home / 381,517.56-526,549.04-228,562.32

Finding the Fourth Proportional to 381,517.56, 526,549.04 and 228,562.32

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Solution

The fourth proportional to 381,517.56, 526,549.04 and 228,562.32 is: 315,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,517.56 : 526,549.04 = 228,562.32 : x
  2. Step 2: Convert to fraction form
    381,517.56/526,549.04 = 228,562.32/x
  3. Step 3: Cross multiply
    381,517.56x = 526,549.04 × 228,562.32
  4. Step 4: Simplify right side
    381,517.56x = 120,349,270,176.17
  5. Step 5: Solve for x
    x = 120,349,270,176.17/381,517.56
  6. Step 6: Final answer
    x = 315,448.84

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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.