Home / 1,266,857.79-1,747,601.24-783,268.35

Finding the Fourth Proportional to 1,266,857.79, 1,747,601.24 and 783,268.35

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Solution

The fourth proportional to 1,266,857.79, 1,747,601.24 and 783,268.35 is: 1,080,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,857.79 : 1,747,601.24 = 783,268.35 : x
  2. Step 2: Convert to fraction form
    1,266,857.79/1,747,601.24 = 783,268.35/x
  3. Step 3: Cross multiply
    1,266,857.79x = 1,747,601.24 × 783,268.35
  4. Step 4: Simplify right side
    1,266,857.79x = 1,368,840,735,796.41
  5. Step 5: Solve for x
    x = 1,368,840,735,796.41/1,266,857.79
  6. Step 6: Final answer
    x = 1,080,500.71

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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.