Home / 393,828.54-543,476.43-224,059.02

Finding the Fourth Proportional to 393,828.54, 543,476.43 and 224,059.02

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Solution

The fourth proportional to 393,828.54, 543,476.43 and 224,059.02 is: 309,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,828.54 : 543,476.43 = 224,059.02 : x
  2. Step 2: Convert to fraction form
    393,828.54/543,476.43 = 224,059.02/x
  3. Step 3: Cross multiply
    393,828.54x = 543,476.43 × 224,059.02
  4. Step 4: Simplify right side
    393,828.54x = 121,770,796,298.90
  5. Step 5: Solve for x
    x = 121,770,796,298.90/393,828.54
  6. Step 6: Final answer
    x = 309,197.49

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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.