Home / 1,229,542.82-1,696,765.80-685,679.24

Finding the Fourth Proportional to 1,229,542.82, 1,696,765.80 and 685,679.24

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Solution

The fourth proportional to 1,229,542.82, 1,696,765.80 and 685,679.24 is: 946,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,542.82 : 1,696,765.80 = 685,679.24 : x
  2. Step 2: Convert to fraction form
    1,229,542.82/1,696,765.80 = 685,679.24/x
  3. Step 3: Cross multiply
    1,229,542.82x = 1,696,765.80 × 685,679.24
  4. Step 4: Simplify right side
    1,229,542.82x = 1,163,437,084,201.99
  5. Step 5: Solve for x
    x = 1,163,437,084,201.99/1,229,542.82
  6. Step 6: Final answer
    x = 946,235.52

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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.