Home / 1,093,692.40-1,640,538.60-865,369.60

Finding the Fourth Proportional to 1,093,692.40, 1,640,538.60 and 865,369.60

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Solution

The fourth proportional to 1,093,692.40, 1,640,538.60 and 865,369.60 is: 1,298,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,692.40 : 1,640,538.60 = 865,369.60 : x
  2. Step 2: Convert to fraction form
    1,093,692.40/1,640,538.60 = 865,369.60/x
  3. Step 3: Cross multiply
    1,093,692.40x = 1,640,538.60 × 865,369.60
  4. Step 4: Simplify right side
    1,093,692.40x = 1,419,672,232,066.56
  5. Step 5: Solve for x
    x = 1,419,672,232,066.56/1,093,692.40
  6. Step 6: Final answer
    x = 1,298,054.40

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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.