Home / 621,965.37-932,953.26-172,721.22

Finding the Fourth Proportional to 621,965.37, 932,953.26 and 172,721.22

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Solution

The fourth proportional to 621,965.37, 932,953.26 and 172,721.22 is: 259,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,965.37 : 932,953.26 = 172,721.22 : x
  2. Step 2: Convert to fraction form
    621,965.37/932,953.26 = 172,721.22/x
  3. Step 3: Cross multiply
    621,965.37x = 932,953.26 × 172,721.22
  4. Step 4: Simplify right side
    621,965.37x = 161,140,825,270.18
  5. Step 5: Solve for x
    x = 161,140,825,270.18/621,965.37
  6. Step 6: Final answer
    x = 259,083.28

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1.5x scale

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.