Home / 756,104.80-1,132,990.80-655,794.40

Finding the Fourth Proportional to 756,104.80, 1,132,990.80 and 655,794.40

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Solution

The fourth proportional to 756,104.80, 1,132,990.80 and 655,794.40 is: 982,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,104.80 : 1,132,990.80 = 655,794.40 : x
  2. Step 2: Convert to fraction form
    756,104.80/1,132,990.80 = 655,794.40/x
  3. Step 3: Cross multiply
    756,104.80x = 1,132,990.80 × 655,794.40
  4. Step 4: Simplify right side
    756,104.80x = 743,009,021,891.52
  5. Step 5: Solve for x
    x = 743,009,021,891.52/756,104.80
  6. Step 6: Final answer
    x = 982,679.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.