Home / 598,820.54-826,511.28-394,908.26

Finding the Fourth Proportional to 598,820.54, 826,511.28 and 394,908.26

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Solution

The fourth proportional to 598,820.54, 826,511.28 and 394,908.26 is: 545,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,820.54 : 826,511.28 = 394,908.26 : x
  2. Step 2: Convert to fraction form
    598,820.54/826,511.28 = 394,908.26/x
  3. Step 3: Cross multiply
    598,820.54x = 826,511.28 × 394,908.26
  4. Step 4: Simplify right side
    598,820.54x = 326,396,131,455.17
  5. Step 5: Solve for x
    x = 326,396,131,455.17/598,820.54
  6. Step 6: Final answer
    x = 545,065.02

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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.