Home / 379,113.56-522,552.96-268,768.88

Finding the Fourth Proportional to 379,113.56, 522,552.96 and 268,768.88

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Solution

The fourth proportional to 379,113.56, 522,552.96 and 268,768.88 is: 370,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,113.56 : 522,552.96 = 268,768.88 : x
  2. Step 2: Convert to fraction form
    379,113.56/522,552.96 = 268,768.88/x
  3. Step 3: Cross multiply
    379,113.56x = 522,552.96 × 268,768.88
  4. Step 4: Simplify right side
    379,113.56x = 140,445,973,799.89
  5. Step 5: Solve for x
    x = 140,445,973,799.89/379,113.56
  6. Step 6: Final answer
    x = 370,458.85

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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.