Home / 705,769.05-1,063,971.17-660,104.49

Finding the Fourth Proportional to 705,769.05, 1,063,971.17 and 660,104.49

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Solution

The fourth proportional to 705,769.05, 1,063,971.17 and 660,104.49 is: 995,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,769.05 : 1,063,971.17 = 660,104.49 : x
  2. Step 2: Convert to fraction form
    705,769.05/1,063,971.17 = 660,104.49/x
  3. Step 3: Cross multiply
    705,769.05x = 1,063,971.17 × 660,104.49
  4. Step 4: Simplify right side
    705,769.05x = 702,332,145,584.02
  5. Step 5: Solve for x
    x = 702,332,145,584.02/705,769.05
  6. Step 6: Final answer
    x = 995,130.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.