Home / 1,237,337.80-1,856,005.26-338,786.44

Finding the Fourth Proportional to 1,237,337.80, 1,856,005.26 and 338,786.44

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Solution

The fourth proportional to 1,237,337.80, 1,856,005.26 and 338,786.44 is: 508,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,337.80 : 1,856,005.26 = 338,786.44 : x
  2. Step 2: Convert to fraction form
    1,237,337.80/1,856,005.26 = 338,786.44/x
  3. Step 3: Cross multiply
    1,237,337.80x = 1,856,005.26 × 338,786.44
  4. Step 4: Simplify right side
    1,237,337.80x = 628,789,414,656.68
  5. Step 5: Solve for x
    x = 628,789,414,656.68/1,237,337.80
  6. Step 6: Final answer
    x = 508,179.27

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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.