Home / 324,650.03-448,142.09-290,598.44

Finding the Fourth Proportional to 324,650.03, 448,142.09 and 290,598.44

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Solution

The fourth proportional to 324,650.03, 448,142.09 and 290,598.44 is: 401,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,650.03 : 448,142.09 = 290,598.44 : x
  2. Step 2: Convert to fraction form
    324,650.03/448,142.09 = 290,598.44/x
  3. Step 3: Cross multiply
    324,650.03x = 448,142.09 × 290,598.44
  4. Step 4: Simplify right side
    324,650.03x = 130,229,388,558.64
  5. Step 5: Solve for x
    x = 130,229,388,558.64/324,650.03
  6. Step 6: Final answer
    x = 401,137.77

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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.