Home / 1,093,564.40-1,640,346.60-865,241.60

Finding the Fourth Proportional to 1,093,564.40, 1,640,346.60 and 865,241.60

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Solution

The fourth proportional to 1,093,564.40, 1,640,346.60 and 865,241.60 is: 1,297,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,564.40 : 1,640,346.60 = 865,241.60 : x
  2. Step 2: Convert to fraction form
    1,093,564.40/1,640,346.60 = 865,241.60/x
  3. Step 3: Cross multiply
    1,093,564.40x = 1,640,346.60 × 865,241.60
  4. Step 4: Simplify right side
    1,093,564.40x = 1,419,296,116,738.56
  5. Step 5: Solve for x
    x = 1,419,296,116,738.56/1,093,564.40
  6. Step 6: Final answer
    x = 1,297,862.40

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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.