Home / 1,271,933.25-1,755,274.66-691,160.95

Finding the Fourth Proportional to 1,271,933.25, 1,755,274.66 and 691,160.95

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Solution

The fourth proportional to 1,271,933.25, 1,755,274.66 and 691,160.95 is: 953,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,933.25 : 1,755,274.66 = 691,160.95 : x
  2. Step 2: Convert to fraction form
    1,271,933.25/1,755,274.66 = 691,160.95/x
  3. Step 3: Cross multiply
    1,271,933.25x = 1,755,274.66 × 691,160.95
  4. Step 4: Simplify right side
    1,271,933.25x = 1,213,177,301,982.72
  5. Step 5: Solve for x
    x = 1,213,177,301,982.72/1,271,933.25
  6. Step 6: Final answer
    x = 953,805.80

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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.