Home / 954,960.54-1,432,318.44-315,105.90

Finding the Fourth Proportional to 954,960.54, 1,432,318.44 and 315,105.90

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Solution

The fourth proportional to 954,960.54, 1,432,318.44 and 315,105.90 is: 472,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,960.54 : 1,432,318.44 = 315,105.90 : x
  2. Step 2: Convert to fraction form
    954,960.54/1,432,318.44 = 315,105.90/x
  3. Step 3: Cross multiply
    954,960.54x = 1,432,318.44 × 315,105.90
  4. Step 4: Simplify right side
    954,960.54x = 451,331,991,122.80
  5. Step 5: Solve for x
    x = 451,331,991,122.80/954,960.54
  6. Step 6: Final answer
    x = 472,618.47

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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.