Home / 1,111,926.87-1,534,321.92-789,519.33

Finding the Fourth Proportional to 1,111,926.87, 1,534,321.92 and 789,519.33

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Solution

The fourth proportional to 1,111,926.87, 1,534,321.92 and 789,519.33 is: 1,089,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,926.87 : 1,534,321.92 = 789,519.33 : x
  2. Step 2: Convert to fraction form
    1,111,926.87/1,534,321.92 = 789,519.33/x
  3. Step 3: Cross multiply
    1,111,926.87x = 1,534,321.92 × 789,519.33
  4. Step 4: Simplify right side
    1,111,926.87x = 1,211,376,814,282.71
  5. Step 5: Solve for x
    x = 1,211,376,814,282.71/1,111,926.87
  6. Step 6: Final answer
    x = 1,089,439.29

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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.