Home / 770,633.98-1,062,772.44-661,704.14

Finding the Fourth Proportional to 770,633.98, 1,062,772.44 and 661,704.14

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Solution

The fourth proportional to 770,633.98, 1,062,772.44 and 661,704.14 is: 912,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,633.98 : 1,062,772.44 = 661,704.14 : x
  2. Step 2: Convert to fraction form
    770,633.98/1,062,772.44 = 661,704.14/x
  3. Step 3: Cross multiply
    770,633.98x = 1,062,772.44 × 661,704.14
  4. Step 4: Simplify right side
    770,633.98x = 703,240,926,146.32
  5. Step 5: Solve for x
    x = 703,240,926,146.32/770,633.98
  6. Step 6: Final answer
    x = 912,548.56

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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.