Home / 431,864.90-595,975.62-238,272.60

Finding the Fourth Proportional to 431,864.90, 595,975.62 and 238,272.60

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Solution

The fourth proportional to 431,864.90, 595,975.62 and 238,272.60 is: 328,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,864.90 : 595,975.62 = 238,272.60 : x
  2. Step 2: Convert to fraction form
    431,864.90/595,975.62 = 238,272.60/x
  3. Step 3: Cross multiply
    431,864.90x = 595,975.62 × 238,272.60
  4. Step 4: Simplify right side
    431,864.90x = 142,004,660,514.01
  5. Step 5: Solve for x
    x = 142,004,660,514.01/431,864.90
  6. Step 6: Final answer
    x = 328,817.33

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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.