Home / 331,824.40-497,736.60-82,506.40

Finding the Fourth Proportional to 331,824.40, 497,736.60 and 82,506.40

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Solution

The fourth proportional to 331,824.40, 497,736.60 and 82,506.40 is: 123,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,824.40 : 497,736.60 = 82,506.40 : x
  2. Step 2: Convert to fraction form
    331,824.40/497,736.60 = 82,506.40/x
  3. Step 3: Cross multiply
    331,824.40x = 497,736.60 × 82,506.40
  4. Step 4: Simplify right side
    331,824.40x = 41,066,455,014.24
  5. Step 5: Solve for x
    x = 41,066,455,014.24/331,824.40
  6. Step 6: Final answer
    x = 123,759.60

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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.