Home / 482,945.49-666,431.43-268,068.64

Finding the Fourth Proportional to 482,945.49, 666,431.43 and 268,068.64

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Solution

The fourth proportional to 482,945.49, 666,431.43 and 268,068.64 is: 369,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,945.49 : 666,431.43 = 268,068.64 : x
  2. Step 2: Convert to fraction form
    482,945.49/666,431.43 = 268,068.64/x
  3. Step 3: Cross multiply
    482,945.49x = 666,431.43 × 268,068.64
  4. Step 4: Simplify right side
    482,945.49x = 178,649,367,093.36
  5. Step 5: Solve for x
    x = 178,649,367,093.36/482,945.49
  6. Step 6: Final answer
    x = 369,916.21

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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.