Home / 351,231.45-526,846.40-271,385.43

Finding the Fourth Proportional to 351,231.45, 526,846.40 and 271,385.43

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Solution

The fourth proportional to 351,231.45, 526,846.40 and 271,385.43 is: 407,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,231.45 : 526,846.40 = 271,385.43 : x
  2. Step 2: Convert to fraction form
    351,231.45/526,846.40 = 271,385.43/x
  3. Step 3: Cross multiply
    351,231.45x = 526,846.40 × 271,385.43
  4. Step 4: Simplify right side
    351,231.45x = 142,978,435,451.03
  5. Step 5: Solve for x
    x = 142,978,435,451.03/351,231.45
  6. Step 6: Final answer
    x = 407,077.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.