Home / 598,871.52-826,581.68-394,959.28

Finding the Fourth Proportional to 598,871.52, 826,581.68 and 394,959.28

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Solution

The fourth proportional to 598,871.52, 826,581.68 and 394,959.28 is: 545,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,871.52 : 826,581.68 = 394,959.28 : x
  2. Step 2: Convert to fraction form
    598,871.52/826,581.68 = 394,959.28/x
  3. Step 3: Cross multiply
    598,871.52x = 826,581.68 × 394,959.28
  4. Step 4: Simplify right side
    598,871.52x = 326,466,105,193.99
  5. Step 5: Solve for x
    x = 326,466,105,193.99/598,871.52
  6. Step 6: Final answer
    x = 545,135.47

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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.