Home / 756,308.57-1,043,692.44-412,147.58

Finding the Fourth Proportional to 756,308.57, 1,043,692.44 and 412,147.58

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Solution

The fourth proportional to 756,308.57, 1,043,692.44 and 412,147.58 is: 568,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,308.57 : 1,043,692.44 = 412,147.58 : x
  2. Step 2: Convert to fraction form
    756,308.57/1,043,692.44 = 412,147.58/x
  3. Step 3: Cross multiply
    756,308.57x = 1,043,692.44 × 412,147.58
  4. Step 4: Simplify right side
    756,308.57x = 430,155,313,410.30
  5. Step 5: Solve for x
    x = 430,155,313,410.30/756,308.57
  6. Step 6: Final answer
    x = 568,756.37

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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.