Home / 383,835.79-529,694.31-214,080.85

Finding the Fourth Proportional to 383,835.79, 529,694.31 and 214,080.85

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Solution

The fourth proportional to 383,835.79, 529,694.31 and 214,080.85 is: 295,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,835.79 : 529,694.31 = 214,080.85 : x
  2. Step 2: Convert to fraction form
    383,835.79/529,694.31 = 214,080.85/x
  3. Step 3: Cross multiply
    383,835.79x = 529,694.31 × 214,080.85
  4. Step 4: Simplify right side
    383,835.79x = 113,397,408,124.96
  5. Step 5: Solve for x
    x = 113,397,408,124.96/383,835.79
  6. Step 6: Final answer
    x = 295,432.09

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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.