Home / 621,734.54-932,601.72-172,455.42

Finding the Fourth Proportional to 621,734.54, 932,601.72 and 172,455.42

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Solution

The fourth proportional to 621,734.54, 932,601.72 and 172,455.42 is: 258,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,734.54 : 932,601.72 = 172,455.42 : x
  2. Step 2: Convert to fraction form
    621,734.54/932,601.72 = 172,455.42/x
  3. Step 3: Cross multiply
    621,734.54x = 932,601.72 × 172,455.42
  4. Step 4: Simplify right side
    621,734.54x = 160,832,221,315.32
  5. Step 5: Solve for x
    x = 160,832,221,315.32/621,734.54
  6. Step 6: Final answer
    x = 258,683.11

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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.