Home / 857,205.26-1,285,717.68-351,819.64

Finding the Fourth Proportional to 857,205.26, 1,285,717.68 and 351,819.64

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Solution

The fourth proportional to 857,205.26, 1,285,717.68 and 351,819.64 is: 527,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,205.26 : 1,285,717.68 = 351,819.64 : x
  2. Step 2: Convert to fraction form
    857,205.26/1,285,717.68 = 351,819.64/x
  3. Step 3: Cross multiply
    857,205.26x = 1,285,717.68 × 351,819.64
  4. Step 4: Simplify right side
    857,205.26x = 452,340,728,104.94
  5. Step 5: Solve for x
    x = 452,340,728,104.94/857,205.26
  6. Step 6: Final answer
    x = 527,692.43

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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.