Home / 404,029.45-557,556.14-231,951.53

Finding the Fourth Proportional to 404,029.45, 557,556.14 and 231,951.53

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Solution

The fourth proportional to 404,029.45, 557,556.14 and 231,951.53 is: 320,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,029.45 : 557,556.14 = 231,951.53 : x
  2. Step 2: Convert to fraction form
    404,029.45/557,556.14 = 231,951.53/x
  3. Step 3: Cross multiply
    404,029.45x = 557,556.14 × 231,951.53
  4. Step 4: Simplify right side
    404,029.45x = 129,326,001,707.66
  5. Step 5: Solve for x
    x = 129,326,001,707.66/404,029.45
  6. Step 6: Final answer
    x = 320,090.53

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1.5x scale

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.