Home / 1,229,542.58-1,696,765.46-685,678.98

Finding the Fourth Proportional to 1,229,542.58, 1,696,765.46 and 685,678.98

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Solution

The fourth proportional to 1,229,542.58, 1,696,765.46 and 685,678.98 is: 946,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,542.58 : 1,696,765.46 = 685,678.98 : x
  2. Step 2: Convert to fraction form
    1,229,542.58/1,696,765.46 = 685,678.98/x
  3. Step 3: Cross multiply
    1,229,542.58x = 1,696,765.46 × 685,678.98
  4. Step 4: Simplify right side
    1,229,542.58x = 1,163,436,409,912.03
  5. Step 5: Solve for x
    x = 1,163,436,409,912.03/1,229,542.58
  6. Step 6: Final answer
    x = 946,235.15

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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.