Home / 1,394,301.05-1,923,879.89-936,080.81

Finding the Fourth Proportional to 1,394,301.05, 1,923,879.89 and 936,080.81

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Solution

The fourth proportional to 1,394,301.05, 1,923,879.89 and 936,080.81 is: 1,291,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,301.05 : 1,923,879.89 = 936,080.81 : x
  2. Step 2: Convert to fraction form
    1,394,301.05/1,923,879.89 = 936,080.81/x
  3. Step 3: Cross multiply
    1,394,301.05x = 1,923,879.89 × 936,080.81
  4. Step 4: Simplify right side
    1,394,301.05x = 1,800,907,041,093.51
  5. Step 5: Solve for x
    x = 1,800,907,041,093.51/1,394,301.05
  6. Step 6: Final answer
    x = 1,291,619.94

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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.