Home / 457,427.52-631,283.22-276,183.54

Finding the Fourth Proportional to 457,427.52, 631,283.22 and 276,183.54

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Solution

The fourth proportional to 457,427.52, 631,283.22 and 276,183.54 is: 381,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,427.52 : 631,283.22 = 276,183.54 : x
  2. Step 2: Convert to fraction form
    457,427.52/631,283.22 = 276,183.54/x
  3. Step 3: Cross multiply
    457,427.52x = 631,283.22 × 276,183.54
  4. Step 4: Simplify right side
    457,427.52x = 174,350,034,442.20
  5. Step 5: Solve for x
    x = 174,350,034,442.20/457,427.52
  6. Step 6: Final answer
    x = 381,153.36

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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.