Home / 1,229,540.07-1,696,762.02-685,676.49

Finding the Fourth Proportional to 1,229,540.07, 1,696,762.02 and 685,676.49

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Solution

The fourth proportional to 1,229,540.07, 1,696,762.02 and 685,676.49 is: 946,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,540.07 : 1,696,762.02 = 685,676.49 : x
  2. Step 2: Convert to fraction form
    1,229,540.07/1,696,762.02 = 685,676.49/x
  3. Step 3: Cross multiply
    1,229,540.07x = 1,696,762.02 × 685,676.49
  4. Step 4: Simplify right side
    1,229,540.07x = 1,163,429,826,238.91
  5. Step 5: Solve for x
    x = 1,163,429,826,238.91/1,229,540.07
  6. Step 6: Final answer
    x = 946,231.73

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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.