Home / 598,821.54-826,512.66-394,909.26

Finding the Fourth Proportional to 598,821.54, 826,512.66 and 394,909.26

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Solution

The fourth proportional to 598,821.54, 826,512.66 and 394,909.26 is: 545,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,821.54 : 826,512.66 = 394,909.26 : x
  2. Step 2: Convert to fraction form
    598,821.54/826,512.66 = 394,909.26/x
  3. Step 3: Cross multiply
    598,821.54x = 826,512.66 × 394,909.26
  4. Step 4: Simplify right side
    598,821.54x = 326,397,502,941.23
  5. Step 5: Solve for x
    x = 326,397,502,941.23/598,821.54
  6. Step 6: Final answer
    x = 545,066.40

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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.