Home / 482,910.36-666,446.54-268,054.01

Finding the Fourth Proportional to 482,910.36, 666,446.54 and 268,054.01

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Solution

The fourth proportional to 482,910.36, 666,446.54 and 268,054.01 is: 369,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,910.36 : 666,446.54 = 268,054.01 : x
  2. Step 2: Convert to fraction form
    482,910.36/666,446.54 = 268,054.01/x
  3. Step 3: Cross multiply
    482,910.36x = 666,446.54 × 268,054.01
  4. Step 4: Simplify right side
    482,910.36x = 178,643,665,324.30
  5. Step 5: Solve for x
    x = 178,643,665,324.30/482,910.36
  6. Step 6: Final answer
    x = 369,931.32

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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.