Home / 482,924.14-666,465.48-278,983.66

Finding the Fourth Proportional to 482,924.14, 666,465.48 and 278,983.66

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Solution

The fourth proportional to 482,924.14, 666,465.48 and 278,983.66 is: 385,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,924.14 : 666,465.48 = 278,983.66 : x
  2. Step 2: Convert to fraction form
    482,924.14/666,465.48 = 278,983.66/x
  3. Step 3: Cross multiply
    482,924.14x = 666,465.48 × 278,983.66
  4. Step 4: Simplify right side
    482,924.14x = 185,932,978,874.06
  5. Step 5: Solve for x
    x = 185,932,978,874.06/482,924.14
  6. Step 6: Final answer
    x = 385,014.88

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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.