Home / 621,962.37-932,948.75-172,718.21

Finding the Fourth Proportional to 621,962.37, 932,948.75 and 172,718.21

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Solution

The fourth proportional to 621,962.37, 932,948.75 and 172,718.21 is: 259,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,962.37 : 932,948.75 = 172,718.21 : x
  2. Step 2: Convert to fraction form
    621,962.37/932,948.75 = 172,718.21/x
  3. Step 3: Cross multiply
    621,962.37x = 932,948.75 × 172,718.21
  4. Step 4: Simplify right side
    621,962.37x = 161,137,240,885.91
  5. Step 5: Solve for x
    x = 161,137,240,885.91/621,962.37
  6. Step 6: Final answer
    x = 259,078.76

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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.