Home / 603,789.38-905,628.54-204,384.50

Finding the Fourth Proportional to 603,789.38, 905,628.54 and 204,384.50

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Solution

The fourth proportional to 603,789.38, 905,628.54 and 204,384.50 is: 306,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,789.38 : 905,628.54 = 204,384.50 : x
  2. Step 2: Convert to fraction form
    603,789.38/905,628.54 = 204,384.50/x
  3. Step 3: Cross multiply
    603,789.38x = 905,628.54 × 204,384.50
  4. Step 4: Simplify right side
    603,789.38x = 185,096,436,333.63
  5. Step 5: Solve for x
    x = 185,096,436,333.63/603,789.38
  6. Step 6: Final answer
    x = 306,557.95

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Similar ratio
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1.5x scale

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.