Home / 1,243,476.97-1,715,986.07-692,183.93

Finding the Fourth Proportional to 1,243,476.97, 1,715,986.07 and 692,183.93

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Solution

The fourth proportional to 1,243,476.97, 1,715,986.07 and 692,183.93 is: 955,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,476.97 : 1,715,986.07 = 692,183.93 : x
  2. Step 2: Convert to fraction form
    1,243,476.97/1,715,986.07 = 692,183.93/x
  3. Step 3: Cross multiply
    1,243,476.97x = 1,715,986.07 × 692,183.93
  4. Step 4: Simplify right side
    1,243,476.97x = 1,187,777,978,296.94
  5. Step 5: Solve for x
    x = 1,187,777,978,296.94/1,243,476.97
  6. Step 6: Final answer
    x = 955,207.06

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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.