Home / 494,927.78-742,391.38-179,384.18

Finding the Fourth Proportional to 494,927.78, 742,391.38 and 179,384.18

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Solution

The fourth proportional to 494,927.78, 742,391.38 and 179,384.18 is: 269,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,927.78 : 742,391.38 = 179,384.18 : x
  2. Step 2: Convert to fraction form
    494,927.78/742,391.38 = 179,384.18/x
  3. Step 3: Cross multiply
    494,927.78x = 742,391.38 × 179,384.18
  4. Step 4: Simplify right side
    494,927.78x = 133,173,268,940.37
  5. Step 5: Solve for x
    x = 133,173,268,940.37/494,927.78
  6. Step 6: Final answer
    x = 269,076.16

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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.