Home / 1,166,129.11-1,608,708.36-682,397.56

Finding the Fourth Proportional to 1,166,129.11, 1,608,708.36 and 682,397.56

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Solution

The fourth proportional to 1,166,129.11, 1,608,708.36 and 682,397.56 is: 941,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,129.11 : 1,608,708.36 = 682,397.56 : x
  2. Step 2: Convert to fraction form
    1,166,129.11/1,608,708.36 = 682,397.56/x
  3. Step 3: Cross multiply
    1,166,129.11x = 1,608,708.36 × 682,397.56
  4. Step 4: Simplify right side
    1,166,129.11x = 1,097,778,659,615.60
  5. Step 5: Solve for x
    x = 1,097,778,659,615.60/1,166,129.11
  6. Step 6: Final answer
    x = 941,386.89

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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.