Home / 1,166,110.36-1,608,682.46-682,378.78

Finding the Fourth Proportional to 1,166,110.36, 1,608,682.46 and 682,378.78

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Solution

The fourth proportional to 1,166,110.36, 1,608,682.46 and 682,378.78 is: 941,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,110.36 : 1,608,682.46 = 682,378.78 : x
  2. Step 2: Convert to fraction form
    1,166,110.36/1,608,682.46 = 682,378.78/x
  3. Step 3: Cross multiply
    1,166,110.36x = 1,608,682.46 × 682,378.78
  4. Step 4: Simplify right side
    1,166,110.36x = 1,097,730,774,462.20
  5. Step 5: Solve for x
    x = 1,097,730,774,462.20/1,166,110.36
  6. Step 6: Final answer
    x = 941,360.97

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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.