Home / 526,982.56-789,989.47-189,940.73

Finding the Fourth Proportional to 526,982.56, 789,989.47 and 189,940.73

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Solution

The fourth proportional to 526,982.56, 789,989.47 and 189,940.73 is: 284,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,982.56 : 789,989.47 = 189,940.73 : x
  2. Step 2: Convert to fraction form
    526,982.56/789,989.47 = 189,940.73/x
  3. Step 3: Cross multiply
    526,982.56x = 789,989.47 × 189,940.73
  4. Step 4: Simplify right side
    526,982.56x = 150,051,176,624.11
  5. Step 5: Solve for x
    x = 150,051,176,624.11/526,982.56
  6. Step 6: Final answer
    x = 284,736.51

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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.