Home / 383,939.58-529,799.86-214,184.64

Finding the Fourth Proportional to 383,939.58, 529,799.86 and 214,184.64

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Solution

The fourth proportional to 383,939.58, 529,799.86 and 214,184.64 is: 295,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,939.58 : 529,799.86 = 214,184.64 : x
  2. Step 2: Convert to fraction form
    383,939.58/529,799.86 = 214,184.64/x
  3. Step 3: Cross multiply
    383,939.58x = 529,799.86 × 214,184.64
  4. Step 4: Simplify right side
    383,939.58x = 113,474,992,286.15
  5. Step 5: Solve for x
    x = 113,474,992,286.15/383,939.58
  6. Step 6: Final answer
    x = 295,554.30

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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.