Home / 981,370.36-1,472,420.04-681,693.04

Finding the Fourth Proportional to 981,370.36, 1,472,420.04 and 681,693.04

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Solution

The fourth proportional to 981,370.36, 1,472,420.04 and 681,693.04 is: 1,022,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,370.36 : 1,472,420.04 = 681,693.04 : x
  2. Step 2: Convert to fraction form
    981,370.36/1,472,420.04 = 681,693.04/x
  3. Step 3: Cross multiply
    981,370.36x = 1,472,420.04 × 681,693.04
  4. Step 4: Simplify right side
    981,370.36x = 1,003,738,493,224.52
  5. Step 5: Solve for x
    x = 1,003,738,493,224.52/981,370.36
  6. Step 6: Final answer
    x = 1,022,792.75

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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.