Home / 916,790.22-1,375,183.44-517,249.62

Finding the Fourth Proportional to 916,790.22, 1,375,183.44 and 517,249.62

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Solution

The fourth proportional to 916,790.22, 1,375,183.44 and 517,249.62 is: 775,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,790.22 : 1,375,183.44 = 517,249.62 : x
  2. Step 2: Convert to fraction form
    916,790.22/1,375,183.44 = 517,249.62/x
  3. Step 3: Cross multiply
    916,790.22x = 1,375,183.44 × 517,249.62
  4. Step 4: Simplify right side
    916,790.22x = 711,313,111,770.29
  5. Step 5: Solve for x
    x = 711,313,111,770.29/916,790.22
  6. Step 6: Final answer
    x = 775,873.36

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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.