Home / 1,294,128.80-1,940,847.60-395,568.80

Finding the Fourth Proportional to 1,294,128.80, 1,940,847.60 and 395,568.80

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Solution

The fourth proportional to 1,294,128.80, 1,940,847.60 and 395,568.80 is: 593,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,128.80 : 1,940,847.60 = 395,568.80 : x
  2. Step 2: Convert to fraction form
    1,294,128.80/1,940,847.60 = 395,568.80/x
  3. Step 3: Cross multiply
    1,294,128.80x = 1,940,847.60 × 395,568.80
  4. Step 4: Simplify right side
    1,294,128.80x = 767,738,756,114.88
  5. Step 5: Solve for x
    x = 767,738,756,114.88/1,294,128.80
  6. Step 6: Final answer
    x = 593,247.56

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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.