Home / 499,536.64-689,351.04-273,181.44

Finding the Fourth Proportional to 499,536.64, 689,351.04 and 273,181.44

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Solution

The fourth proportional to 499,536.64, 689,351.04 and 273,181.44 is: 376,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,536.64 : 689,351.04 = 273,181.44 : x
  2. Step 2: Convert to fraction form
    499,536.64/689,351.04 = 273,181.44/x
  3. Step 3: Cross multiply
    499,536.64x = 689,351.04 × 273,181.44
  4. Step 4: Simplify right side
    499,536.64x = 188,317,909,772.70
  5. Step 5: Solve for x
    x = 188,317,909,772.70/499,536.64
  6. Step 6: Final answer
    x = 376,985.18

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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.