Home / 498,933.77-748,873.80-308,819.06

Finding the Fourth Proportional to 498,933.77, 748,873.80 and 308,819.06

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Solution

The fourth proportional to 498,933.77, 748,873.80 and 308,819.06 is: 463,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,933.77 : 748,873.80 = 308,819.06 : x
  2. Step 2: Convert to fraction form
    498,933.77/748,873.80 = 308,819.06/x
  3. Step 3: Cross multiply
    498,933.77x = 748,873.80 × 308,819.06
  4. Step 4: Simplify right side
    498,933.77x = 231,266,499,230.26
  5. Step 5: Solve for x
    x = 231,266,499,230.26/498,933.77
  6. Step 6: Final answer
    x = 463,521.44

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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.