Home / 1,271,933.80-1,755,183.78-698,961.64

Finding the Fourth Proportional to 1,271,933.80, 1,755,183.78 and 698,961.64

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Solution

The fourth proportional to 1,271,933.80, 1,755,183.78 and 698,961.64 is: 964,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,933.80 : 1,755,183.78 = 698,961.64 : x
  2. Step 2: Convert to fraction form
    1,271,933.80/1,755,183.78 = 698,961.64/x
  3. Step 3: Cross multiply
    1,271,933.80x = 1,755,183.78 × 698,961.64
  4. Step 4: Simplify right side
    1,271,933.80x = 1,226,806,133,370.20
  5. Step 5: Solve for x
    x = 1,226,806,133,370.20/1,271,933.80
  6. Step 6: Final answer
    x = 964,520.43

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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.