Home / 1,166,112.36-1,608,685.20-682,380.81

Finding the Fourth Proportional to 1,166,112.36, 1,608,685.20 and 682,380.81

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Solution

The fourth proportional to 1,166,112.36, 1,608,685.20 and 682,380.81 is: 941,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,112.36 : 1,608,685.20 = 682,380.81 : x
  2. Step 2: Convert to fraction form
    1,166,112.36/1,608,685.20 = 682,380.81/x
  3. Step 3: Cross multiply
    1,166,112.36x = 1,608,685.20 × 682,380.81
  4. Step 4: Simplify right side
    1,166,112.36x = 1,097,735,909,811.01
  5. Step 5: Solve for x
    x = 1,097,735,909,811.01/1,166,112.36
  6. Step 6: Final answer
    x = 941,363.75

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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.