Home / 1,170,091.25-1,614,611.09-660,695.21

Finding the Fourth Proportional to 1,170,091.25, 1,614,611.09 and 660,695.21

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Solution

The fourth proportional to 1,170,091.25, 1,614,611.09 and 660,695.21 is: 911,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,091.25 : 1,614,611.09 = 660,695.21 : x
  2. Step 2: Convert to fraction form
    1,170,091.25/1,614,611.09 = 660,695.21/x
  3. Step 3: Cross multiply
    1,170,091.25x = 1,614,611.09 × 660,695.21
  4. Step 4: Simplify right side
    1,170,091.25x = 1,066,765,806,754.56
  5. Step 5: Solve for x
    x = 1,066,765,806,754.56/1,170,091.25
  6. Step 6: Final answer
    x = 911,694.55

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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.