Home / 394,520-591,929.04-236,858.36

Finding the Fourth Proportional to 394,520, 591,929.04 and 236,858.36

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Solution

The fourth proportional to 394,520, 591,929.04 and 236,858.36 is: 355,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,520 : 591,929.04 = 236,858.36 : x
  2. Step 2: Convert to fraction form
    394,520/591,929.04 = 236,858.36/x
  3. Step 3: Cross multiply
    394,520x = 591,929.04 × 236,858.36
  4. Step 4: Simplify right side
    394,520x = 140,203,341,650.77
  5. Step 5: Solve for x
    x = 140,203,341,650.77/394,520
  6. Step 6: Final answer
    x = 355,377.02

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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.