Home / 1,185,977.57-1,777,103.62-916,765.36

Finding the Fourth Proportional to 1,185,977.57, 1,777,103.62 and 916,765.36

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Solution

The fourth proportional to 1,185,977.57, 1,777,103.62 and 916,765.36 is: 1,373,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,977.57 : 1,777,103.62 = 916,765.36 : x
  2. Step 2: Convert to fraction form
    1,185,977.57/1,777,103.62 = 916,765.36/x
  3. Step 3: Cross multiply
    1,185,977.57x = 1,777,103.62 × 916,765.36
  4. Step 4: Simplify right side
    1,185,977.57x = 1,629,187,033,211.93
  5. Step 5: Solve for x
    x = 1,629,187,033,211.93/1,185,977.57
  6. Step 6: Final answer
    x = 1,373,708.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.