Home / 1,206,940.14-1,665,578.43-663,076.98

Finding the Fourth Proportional to 1,206,940.14, 1,665,578.43 and 663,076.98

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Solution

The fourth proportional to 1,206,940.14, 1,665,578.43 and 663,076.98 is: 915,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,940.14 : 1,665,578.43 = 663,076.98 : x
  2. Step 2: Convert to fraction form
    1,206,940.14/1,665,578.43 = 663,076.98/x
  3. Step 3: Cross multiply
    1,206,940.14x = 1,665,578.43 × 663,076.98
  4. Step 4: Simplify right side
    1,206,940.14x = 1,104,406,715,317.54
  5. Step 5: Solve for x
    x = 1,104,406,715,317.54/1,206,940.14
  6. Step 6: Final answer
    x = 915,046.80

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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.