Home / 1,166,107.36-1,608,678.34-682,375.78

Finding the Fourth Proportional to 1,166,107.36, 1,608,678.34 and 682,375.78

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Solution

The fourth proportional to 1,166,107.36, 1,608,678.34 and 682,375.78 is: 941,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,107.36 : 1,608,678.34 = 682,375.78 : x
  2. Step 2: Convert to fraction form
    1,166,107.36/1,608,678.34 = 682,375.78/x
  3. Step 3: Cross multiply
    1,166,107.36x = 1,608,678.34 × 682,375.78
  4. Step 4: Simplify right side
    1,166,107.36x = 1,097,723,137,026.61
  5. Step 5: Solve for x
    x = 1,097,723,137,026.61/1,166,107.36
  6. Step 6: Final answer
    x = 941,356.84

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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.