Home / 598,815.54-826,504.38-394,903.26

Finding the Fourth Proportional to 598,815.54, 826,504.38 and 394,903.26

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Solution

The fourth proportional to 598,815.54, 826,504.38 and 394,903.26 is: 545,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,815.54 : 826,504.38 = 394,903.26 : x
  2. Step 2: Convert to fraction form
    598,815.54/826,504.38 = 394,903.26/x
  3. Step 3: Cross multiply
    598,815.54x = 826,504.38 × 394,903.26
  4. Step 4: Simplify right side
    598,815.54x = 326,389,274,066.28
  5. Step 5: Solve for x
    x = 326,389,274,066.28/598,815.54
  6. Step 6: Final answer
    x = 545,058.12

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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.