Home / 467,704.40-645,438.88-263,765.04

Finding the Fourth Proportional to 467,704.40, 645,438.88 and 263,765.04

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Solution

The fourth proportional to 467,704.40, 645,438.88 and 263,765.04 is: 363,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,704.40 : 645,438.88 = 263,765.04 : x
  2. Step 2: Convert to fraction form
    467,704.40/645,438.88 = 263,765.04/x
  3. Step 3: Cross multiply
    467,704.40x = 645,438.88 × 263,765.04
  4. Step 4: Simplify right side
    467,704.40x = 170,244,212,000.76
  5. Step 5: Solve for x
    x = 170,244,212,000.76/467,704.40
  6. Step 6: Final answer
    x = 363,999.59

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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.