Home / 372,603.31-557,188.17-276,721.58

Finding the Fourth Proportional to 372,603.31, 557,188.17 and 276,721.58

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Solution

The fourth proportional to 372,603.31, 557,188.17 and 276,721.58 is: 413,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,603.31 : 557,188.17 = 276,721.58 : x
  2. Step 2: Convert to fraction form
    372,603.31/557,188.17 = 276,721.58/x
  3. Step 3: Cross multiply
    372,603.31x = 557,188.17 × 276,721.58
  4. Step 4: Simplify right side
    372,603.31x = 154,185,991,114.97
  5. Step 5: Solve for x
    x = 154,185,991,114.97/372,603.31
  6. Step 6: Final answer
    x = 413,807.36

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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.