Home / 823,788.91-1,235,800.74-255,214.70

Finding the Fourth Proportional to 823,788.91, 1,235,800.74 and 255,214.70

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Solution

The fourth proportional to 823,788.91, 1,235,800.74 and 255,214.70 is: 382,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,788.91 : 1,235,800.74 = 255,214.70 : x
  2. Step 2: Convert to fraction form
    823,788.91/1,235,800.74 = 255,214.70/x
  3. Step 3: Cross multiply
    823,788.91x = 1,235,800.74 × 255,214.70
  4. Step 4: Simplify right side
    823,788.91x = 315,394,511,257.00
  5. Step 5: Solve for x
    x = 315,394,511,257.00/823,788.91
  6. Step 6: Final answer
    x = 382,858.41

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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.