Home / 1,109,760.04-1,531,469.73-770,425.12

Finding the Fourth Proportional to 1,109,760.04, 1,531,469.73 and 770,425.12

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Solution

The fourth proportional to 1,109,760.04, 1,531,469.73 and 770,425.12 is: 1,063,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,760.04 : 1,531,469.73 = 770,425.12 : x
  2. Step 2: Convert to fraction form
    1,109,760.04/1,531,469.73 = 770,425.12/x
  3. Step 3: Cross multiply
    1,109,760.04x = 1,531,469.73 × 770,425.12
  4. Step 4: Simplify right side
    1,109,760.04x = 1,179,882,750,511.62
  5. Step 5: Solve for x
    x = 1,179,882,750,511.62/1,109,760.04
  6. Step 6: Final answer
    x = 1,063,187.27

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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.