Home / 1,229,485.94-1,696,698-685,656.11

Finding the Fourth Proportional to 1,229,485.94, 1,696,698 and 685,656.11

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Solution

The fourth proportional to 1,229,485.94, 1,696,698 and 685,656.11 is: 946,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,485.94 : 1,696,698 = 685,656.11 : x
  2. Step 2: Convert to fraction form
    1,229,485.94/1,696,698 = 685,656.11/x
  3. Step 3: Cross multiply
    1,229,485.94x = 1,696,698 × 685,656.11
  4. Step 4: Simplify right side
    1,229,485.94x = 1,163,351,350,524.78
  5. Step 5: Solve for x
    x = 1,163,351,350,524.78/1,229,485.94
  6. Step 6: Final answer
    x = 946,209.56

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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.