Home / 1,093,743.40-1,640,615.10-978,597.85

Finding the Fourth Proportional to 1,093,743.40, 1,640,615.10 and 978,597.85

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Solution

The fourth proportional to 1,093,743.40, 1,640,615.10 and 978,597.85 is: 1,467,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,743.40 : 1,640,615.10 = 978,597.85 : x
  2. Step 2: Convert to fraction form
    1,093,743.40/1,640,615.10 = 978,597.85/x
  3. Step 3: Cross multiply
    1,093,743.40x = 1,640,615.10 × 978,597.85
  4. Step 4: Simplify right side
    1,093,743.40x = 1,605,502,409,537.54
  5. Step 5: Solve for x
    x = 1,605,502,409,537.54/1,093,743.40
  6. Step 6: Final answer
    x = 1,467,896.78

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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.