Home / 1,229,268.58-1,696,266.49-685,353.31

Finding the Fourth Proportional to 1,229,268.58, 1,696,266.49 and 685,353.31

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Solution

The fourth proportional to 1,229,268.58, 1,696,266.49 and 685,353.31 is: 945,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,268.58 : 1,696,266.49 = 685,353.31 : x
  2. Step 2: Convert to fraction form
    1,229,268.58/1,696,266.49 = 685,353.31/x
  3. Step 3: Cross multiply
    1,229,268.58x = 1,696,266.49 × 685,353.31
  4. Step 4: Simplify right side
    1,229,268.58x = 1,162,541,841,655.48
  5. Step 5: Solve for x
    x = 1,162,541,841,655.48/1,229,268.58
  6. Step 6: Final answer
    x = 945,718.34

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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.