Home / 1,198,239.57-1,653,583.77-654,391.35

Finding the Fourth Proportional to 1,198,239.57, 1,653,583.77 and 654,391.35

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Solution

The fourth proportional to 1,198,239.57, 1,653,583.77 and 654,391.35 is: 903,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,239.57 : 1,653,583.77 = 654,391.35 : x
  2. Step 2: Convert to fraction form
    1,198,239.57/1,653,583.77 = 654,391.35/x
  3. Step 3: Cross multiply
    1,198,239.57x = 1,653,583.77 × 654,391.35
  4. Step 4: Simplify right side
    1,198,239.57x = 1,082,090,915,588.39
  5. Step 5: Solve for x
    x = 1,082,090,915,588.39/1,198,239.57
  6. Step 6: Final answer
    x = 903,067.25

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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.