Home / 1,110,194.37-1,532,105.37-680,391.45

Finding the Fourth Proportional to 1,110,194.37, 1,532,105.37 and 680,391.45

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Solution

The fourth proportional to 1,110,194.37, 1,532,105.37 and 680,391.45 is: 938,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,194.37 : 1,532,105.37 = 680,391.45 : x
  2. Step 2: Convert to fraction form
    1,110,194.37/1,532,105.37 = 680,391.45/x
  3. Step 3: Cross multiply
    1,110,194.37x = 1,532,105.37 × 680,391.45
  4. Step 4: Simplify right side
    1,110,194.37x = 1,042,431,394,247.09
  5. Step 5: Solve for x
    x = 1,042,431,394,247.09/1,110,194.37
  6. Step 6: Final answer
    x = 938,962.96

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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.