Home / 394,837.80-591,479.10-236,596.20

Finding the Fourth Proportional to 394,837.80, 591,479.10 and 236,596.20

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Solution

The fourth proportional to 394,837.80, 591,479.10 and 236,596.20 is: 354,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,837.80 : 591,479.10 = 236,596.20 : x
  2. Step 2: Convert to fraction form
    394,837.80/591,479.10 = 236,596.20/x
  3. Step 3: Cross multiply
    394,837.80x = 591,479.10 × 236,596.20
  4. Step 4: Simplify right side
    394,837.80x = 139,941,707,439.42
  5. Step 5: Solve for x
    x = 139,941,707,439.42/394,837.80
  6. Step 6: Final answer
    x = 354,428.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.