Home / 1,691,721-2,334,359.20-966,615.68

Finding the Fourth Proportional to 1,691,721, 2,334,359.20 and 966,615.68

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Solution

The fourth proportional to 1,691,721, 2,334,359.20 and 966,615.68 is: 1,333,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,721 : 2,334,359.20 = 966,615.68 : x
  2. Step 2: Convert to fraction form
    1,691,721/2,334,359.20 = 966,615.68/x
  3. Step 3: Cross multiply
    1,691,721x = 2,334,359.20 × 966,615.68
  4. Step 4: Simplify right side
    1,691,721x = 2,256,428,205,472.26
  5. Step 5: Solve for x
    x = 2,256,428,205,472.26/1,691,721
  6. Step 6: Final answer
    x = 1,333,806.35

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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.