Home / 419,851.30-579,393.91-236,090.50

Finding the Fourth Proportional to 419,851.30, 579,393.91 and 236,090.50

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Solution

The fourth proportional to 419,851.30, 579,393.91 and 236,090.50 is: 325,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,851.30 : 579,393.91 = 236,090.50 : x
  2. Step 2: Convert to fraction form
    419,851.30/579,393.91 = 236,090.50/x
  3. Step 3: Cross multiply
    419,851.30x = 579,393.91 × 236,090.50
  4. Step 4: Simplify right side
    419,851.30x = 136,789,396,755.48
  5. Step 5: Solve for x
    x = 136,789,396,755.48/419,851.30
  6. Step 6: Final answer
    x = 325,804.39

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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.