Home / 457,407.14-631,243.94-276,115.77

Finding the Fourth Proportional to 457,407.14, 631,243.94 and 276,115.77

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Solution

The fourth proportional to 457,407.14, 631,243.94 and 276,115.77 is: 381,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,407.14 : 631,243.94 = 276,115.77 : x
  2. Step 2: Convert to fraction form
    457,407.14/631,243.94 = 276,115.77/x
  3. Step 3: Cross multiply
    457,407.14x = 631,243.94 × 276,115.77
  4. Step 4: Simplify right side
    457,407.14x = 174,296,405,170.36
  5. Step 5: Solve for x
    x = 174,296,405,170.36/457,407.14
  6. Step 6: Final answer
    x = 381,053.10

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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.