Home / 400,048.31-552,061.28-227,976.51

Finding the Fourth Proportional to 400,048.31, 552,061.28 and 227,976.51

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Solution

The fourth proportional to 400,048.31, 552,061.28 and 227,976.51 is: 314,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,048.31 : 552,061.28 = 227,976.51 : x
  2. Step 2: Convert to fraction form
    400,048.31/552,061.28 = 227,976.51/x
  3. Step 3: Cross multiply
    400,048.31x = 552,061.28 × 227,976.51
  4. Step 4: Simplify right side
    400,048.31x = 125,857,003,920.53
  5. Step 5: Solve for x
    x = 125,857,003,920.53/400,048.31
  6. Step 6: Final answer
    x = 314,604.51

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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.