Home / 1,776,138.60-2,661,146.10-827,563.80

Finding the Fourth Proportional to 1,776,138.60, 2,661,146.10 and 827,563.80

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Solution

The fourth proportional to 1,776,138.60, 2,661,146.10 and 827,563.80 is: 1,239,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,138.60 : 2,661,146.10 = 827,563.80 : x
  2. Step 2: Convert to fraction form
    1,776,138.60/2,661,146.10 = 827,563.80/x
  3. Step 3: Cross multiply
    1,776,138.60x = 2,661,146.10 × 827,563.80
  4. Step 4: Simplify right side
    1,776,138.60x = 2,202,268,178,871.18
  5. Step 5: Solve for x
    x = 2,202,268,178,871.18/1,776,138.60
  6. Step 6: Final answer
    x = 1,239,919.10

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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.