Home / 621,906.44-932,864.89-172,662.35

Finding the Fourth Proportional to 621,906.44, 932,864.89 and 172,662.35

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Solution

The fourth proportional to 621,906.44, 932,864.89 and 172,662.35 is: 258,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,906.44 : 932,864.89 = 172,662.35 : x
  2. Step 2: Convert to fraction form
    621,906.44/932,864.89 = 172,662.35/x
  3. Step 3: Cross multiply
    621,906.44x = 932,864.89 × 172,662.35
  4. Step 4: Simplify right side
    621,906.44x = 161,070,638,612.26
  5. Step 5: Solve for x
    x = 161,070,638,612.26/621,906.44
  6. Step 6: Final answer
    x = 258,994.97

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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.