Home / 621,795.36-932,694.56-172,540.36

Finding the Fourth Proportional to 621,795.36, 932,694.56 and 172,540.36

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Solution

The fourth proportional to 621,795.36, 932,694.56 and 172,540.36 is: 258,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,795.36 : 932,694.56 = 172,540.36 : x
  2. Step 2: Convert to fraction form
    621,795.36/932,694.56 = 172,540.36/x
  3. Step 3: Cross multiply
    621,795.36x = 932,694.56 × 172,540.36
  4. Step 4: Simplify right side
    621,795.36x = 160,927,455,152.44
  5. Step 5: Solve for x
    x = 160,927,455,152.44/621,795.36
  6. Step 6: Final answer
    x = 258,810.96

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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.