Home / 621,512.54-932,266.14-172,232.12

Finding the Fourth Proportional to 621,512.54, 932,266.14 and 172,232.12

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Solution

The fourth proportional to 621,512.54, 932,266.14 and 172,232.12 is: 258,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,512.54 : 932,266.14 = 172,232.12 : x
  2. Step 2: Convert to fraction form
    621,512.54/932,266.14 = 172,232.12/x
  3. Step 3: Cross multiply
    621,512.54x = 932,266.14 × 172,232.12
  4. Step 4: Simplify right side
    621,512.54x = 160,566,173,696.42
  5. Step 5: Solve for x
    x = 160,566,173,696.42/621,512.54
  6. Step 6: Final answer
    x = 258,347.44

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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.