Home / 1,739,512.80-2,609,151.84-477,234.72

Finding the Fourth Proportional to 1,739,512.80, 2,609,151.84 and 477,234.72

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Solution

The fourth proportional to 1,739,512.80, 2,609,151.84 and 477,234.72 is: 715,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,512.80 : 2,609,151.84 = 477,234.72 : x
  2. Step 2: Convert to fraction form
    1,739,512.80/2,609,151.84 = 477,234.72/x
  3. Step 3: Cross multiply
    1,739,512.80x = 2,609,151.84 × 477,234.72
  4. Step 4: Simplify right side
    1,739,512.80x = 1,245,177,847,799.88
  5. Step 5: Solve for x
    x = 1,245,177,847,799.88/1,739,512.80
  6. Step 6: Final answer
    x = 715,819.88

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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.