Home / 397,108.51-548,022.99-233,735.43

Finding the Fourth Proportional to 397,108.51, 548,022.99 and 233,735.43

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Solution

The fourth proportional to 397,108.51, 548,022.99 and 233,735.43 is: 322,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,108.51 : 548,022.99 = 233,735.43 : x
  2. Step 2: Convert to fraction form
    397,108.51/548,022.99 = 233,735.43/x
  3. Step 3: Cross multiply
    397,108.51x = 548,022.99 × 233,735.43
  4. Step 4: Simplify right side
    397,108.51x = 128,092,389,217.54
  5. Step 5: Solve for x
    x = 128,092,389,217.54/397,108.51
  6. Step 6: Final answer
    x = 322,562.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.