Home / 1,229,571.69-1,696,805.58-685,708.06

Finding the Fourth Proportional to 1,229,571.69, 1,696,805.58 and 685,708.06

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Solution

The fourth proportional to 1,229,571.69, 1,696,805.58 and 685,708.06 is: 946,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,571.69 : 1,696,805.58 = 685,708.06 : x
  2. Step 2: Convert to fraction form
    1,229,571.69/1,696,805.58 = 685,708.06/x
  3. Step 3: Cross multiply
    1,229,571.69x = 1,696,805.58 × 685,708.06
  4. Step 4: Simplify right side
    1,229,571.69x = 1,163,513,262,458.97
  5. Step 5: Solve for x
    x = 1,163,513,262,458.97/1,229,571.69
  6. Step 6: Final answer
    x = 946,275.25

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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.