Home / 603,785.38-905,622.54-204,380.50

Finding the Fourth Proportional to 603,785.38, 905,622.54 and 204,380.50

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Solution

The fourth proportional to 603,785.38, 905,622.54 and 204,380.50 is: 306,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,785.38 : 905,622.54 = 204,380.50 : x
  2. Step 2: Convert to fraction form
    603,785.38/905,622.54 = 204,380.50/x
  3. Step 3: Cross multiply
    603,785.38x = 905,622.54 × 204,380.50
  4. Step 4: Simplify right side
    603,785.38x = 185,091,587,536.47
  5. Step 5: Solve for x
    x = 185,091,587,536.47/603,785.38
  6. Step 6: Final answer
    x = 306,551.95

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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.