Home / 331,743.07-497,614.60-82,425.07

Finding the Fourth Proportional to 331,743.07, 497,614.60 and 82,425.07

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Solution

The fourth proportional to 331,743.07, 497,614.60 and 82,425.07 is: 123,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,743.07 : 497,614.60 = 82,425.07 : x
  2. Step 2: Convert to fraction form
    331,743.07/497,614.60 = 82,425.07/x
  3. Step 3: Cross multiply
    331,743.07x = 497,614.60 × 82,425.07
  4. Step 4: Simplify right side
    331,743.07x = 41,015,915,749.95
  5. Step 5: Solve for x
    x = 41,015,915,749.95/331,743.07
  6. Step 6: Final answer
    x = 123,637.60

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1.5x scale

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.