Home / 397,304.19-595,943.01-172,664.64

Finding the Fourth Proportional to 397,304.19, 595,943.01 and 172,664.64

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Solution

The fourth proportional to 397,304.19, 595,943.01 and 172,664.64 is: 258,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,304.19 : 595,943.01 = 172,664.64 : x
  2. Step 2: Convert to fraction form
    397,304.19/595,943.01 = 172,664.64/x
  3. Step 3: Cross multiply
    397,304.19x = 595,943.01 × 172,664.64
  4. Step 4: Simplify right side
    397,304.19x = 102,898,285,282.17
  5. Step 5: Solve for x
    x = 102,898,285,282.17/397,304.19
  6. Step 6: Final answer
    x = 258,991.19

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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.