Home / 326,591.46-489,905.40-101,982.84

Finding the Fourth Proportional to 326,591.46, 489,905.40 and 101,982.84

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Solution

The fourth proportional to 326,591.46, 489,905.40 and 101,982.84 is: 152,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,591.46 : 489,905.40 = 101,982.84 : x
  2. Step 2: Convert to fraction form
    326,591.46/489,905.40 = 101,982.84/x
  3. Step 3: Cross multiply
    326,591.46x = 489,905.40 × 101,982.84
  4. Step 4: Simplify right side
    326,591.46x = 49,961,944,023.34
  5. Step 5: Solve for x
    x = 49,961,944,023.34/326,591.46
  6. Step 6: Final answer
    x = 152,979.95

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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.