Home / 621,907.02-932,865.75-172,662.92

Finding the Fourth Proportional to 621,907.02, 932,865.75 and 172,662.92

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Solution

The fourth proportional to 621,907.02, 932,865.75 and 172,662.92 is: 258,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,907.02 : 932,865.75 = 172,662.92 : x
  2. Step 2: Convert to fraction form
    621,907.02/932,865.75 = 172,662.92/x
  3. Step 3: Cross multiply
    621,907.02x = 932,865.75 × 172,662.92
  4. Step 4: Simplify right side
    621,907.02x = 161,071,324,362.99
  5. Step 5: Solve for x
    x = 161,071,324,362.99/621,907.02
  6. Step 6: Final answer
    x = 258,995.83

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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.