Home / 432,848.20-649,272.30-273,415.90

Finding the Fourth Proportional to 432,848.20, 649,272.30 and 273,415.90

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Solution

The fourth proportional to 432,848.20, 649,272.30 and 273,415.90 is: 410,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,848.20 : 649,272.30 = 273,415.90 : x
  2. Step 2: Convert to fraction form
    432,848.20/649,272.30 = 273,415.90/x
  3. Step 3: Cross multiply
    432,848.20x = 649,272.30 × 273,415.90
  4. Step 4: Simplify right side
    432,848.20x = 177,521,370,249.57
  5. Step 5: Solve for x
    x = 177,521,370,249.57/432,848.20
  6. Step 6: Final answer
    x = 410,123.85

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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.