Home / 598,826.82-826,650.45-394,998.42

Finding the Fourth Proportional to 598,826.82, 826,650.45 and 394,998.42

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Solution

The fourth proportional to 598,826.82, 826,650.45 and 394,998.42 is: 545,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,826.82 : 826,650.45 = 394,998.42 : x
  2. Step 2: Convert to fraction form
    598,826.82/826,650.45 = 394,998.42/x
  3. Step 3: Cross multiply
    598,826.82x = 826,650.45 × 394,998.42
  4. Step 4: Simplify right side
    598,826.82x = 326,525,621,642.29
  5. Step 5: Solve for x
    x = 326,525,621,642.29/598,826.82
  6. Step 6: Final answer
    x = 545,275.55

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1.5x scale

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.