Home / 986,906.88-1,361,926.08-557,183.04

Finding the Fourth Proportional to 986,906.88, 1,361,926.08 and 557,183.04

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Solution

The fourth proportional to 986,906.88, 1,361,926.08 and 557,183.04 is: 768,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,906.88 : 1,361,926.08 = 557,183.04 : x
  2. Step 2: Convert to fraction form
    986,906.88/1,361,926.08 = 557,183.04/x
  3. Step 3: Cross multiply
    986,906.88x = 1,361,926.08 × 557,183.04
  4. Step 4: Simplify right side
    986,906.88x = 758,842,113,509.68
  5. Step 5: Solve for x
    x = 758,842,113,509.68/986,906.88
  6. Step 6: Final answer
    x = 768,909.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.