Home / 400,050.31-552,064.04-227,978.51

Finding the Fourth Proportional to 400,050.31, 552,064.04 and 227,978.51

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Solution

The fourth proportional to 400,050.31, 552,064.04 and 227,978.51 is: 314,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,050.31 : 552,064.04 = 227,978.51 : x
  2. Step 2: Convert to fraction form
    400,050.31/552,064.04 = 227,978.51/x
  3. Step 3: Cross multiply
    400,050.31x = 552,064.04 × 227,978.51
  4. Step 4: Simplify right side
    400,050.31x = 125,858,737,263.78
  5. Step 5: Solve for x
    x = 125,858,737,263.78/400,050.31
  6. Step 6: Final answer
    x = 314,607.27

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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.