Home / 1,131,998.86-1,562,016.63-765,274.06

Finding the Fourth Proportional to 1,131,998.86, 1,562,016.63 and 765,274.06

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Solution

The fourth proportional to 1,131,998.86, 1,562,016.63 and 765,274.06 is: 1,055,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,998.86 : 1,562,016.63 = 765,274.06 : x
  2. Step 2: Convert to fraction form
    1,131,998.86/1,562,016.63 = 765,274.06/x
  3. Step 3: Cross multiply
    1,131,998.86x = 1,562,016.63 × 765,274.06
  4. Step 4: Simplify right side
    1,131,998.86x = 1,195,370,808,227.62
  5. Step 5: Solve for x
    x = 1,195,370,808,227.62/1,131,998.86
  6. Step 6: Final answer
    x = 1,055,982.34

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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.