Home / 1,081,843.68-1,492,441.56-699,993.48

Finding the Fourth Proportional to 1,081,843.68, 1,492,441.56 and 699,993.48

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Solution

The fourth proportional to 1,081,843.68, 1,492,441.56 and 699,993.48 is: 965,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,843.68 : 1,492,441.56 = 699,993.48 : x
  2. Step 2: Convert to fraction form
    1,081,843.68/1,492,441.56 = 699,993.48/x
  3. Step 3: Cross multiply
    1,081,843.68x = 1,492,441.56 × 699,993.48
  4. Step 4: Simplify right side
    1,081,843.68x = 1,044,699,361,281.03
  5. Step 5: Solve for x
    x = 1,044,699,361,281.03/1,081,843.68
  6. Step 6: Final answer
    x = 965,665.72

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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.