Home / 1,093,558.40-1,640,337.60-865,235.60

Finding the Fourth Proportional to 1,093,558.40, 1,640,337.60 and 865,235.60

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Solution

The fourth proportional to 1,093,558.40, 1,640,337.60 and 865,235.60 is: 1,297,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,558.40 : 1,640,337.60 = 865,235.60 : x
  2. Step 2: Convert to fraction form
    1,093,558.40/1,640,337.60 = 865,235.60/x
  3. Step 3: Cross multiply
    1,093,558.40x = 1,640,337.60 × 865,235.60
  4. Step 4: Simplify right side
    1,093,558.40x = 1,419,278,487,538.56
  5. Step 5: Solve for x
    x = 1,419,278,487,538.56/1,093,558.40
  6. Step 6: Final answer
    x = 1,297,853.40

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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.