Home / 886,680.88-1,330,208.24-287,595.44

Finding the Fourth Proportional to 886,680.88, 1,330,208.24 and 287,595.44

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Solution

The fourth proportional to 886,680.88, 1,330,208.24 and 287,595.44 is: 431,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,680.88 : 1,330,208.24 = 287,595.44 : x
  2. Step 2: Convert to fraction form
    886,680.88/1,330,208.24 = 287,595.44/x
  3. Step 3: Cross multiply
    886,680.88x = 1,330,208.24 × 287,595.44
  4. Step 4: Simplify right side
    886,680.88x = 382,561,824,074.43
  5. Step 5: Solve for x
    x = 382,561,824,074.43/886,680.88
  6. Step 6: Final answer
    x = 431,453.79

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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.