Home / 598,894.40-826,613.16-394,981.76

Finding the Fourth Proportional to 598,894.40, 826,613.16 and 394,981.76

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Solution

The fourth proportional to 598,894.40, 826,613.16 and 394,981.76 is: 545,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,894.40 : 826,613.16 = 394,981.76 : x
  2. Step 2: Convert to fraction form
    598,894.40/826,613.16 = 394,981.76/x
  3. Step 3: Cross multiply
    598,894.40x = 826,613.16 × 394,981.76
  4. Step 4: Simplify right side
    598,894.40x = 326,497,120,775.96
  5. Step 5: Solve for x
    x = 326,497,120,775.96/598,894.40
  6. Step 6: Final answer
    x = 545,166.43

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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.