Home / 621,314.68-932,167.77-221,946.61

Finding the Fourth Proportional to 621,314.68, 932,167.77 and 221,946.61

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Solution

The fourth proportional to 621,314.68, 932,167.77 and 221,946.61 is: 332,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,314.68 : 932,167.77 = 221,946.61 : x
  2. Step 2: Convert to fraction form
    621,314.68/932,167.77 = 221,946.61/x
  3. Step 3: Cross multiply
    621,314.68x = 932,167.77 × 221,946.61
  4. Step 4: Simplify right side
    621,314.68x = 206,891,474,172.34
  5. Step 5: Solve for x
    x = 206,891,474,172.34/621,314.68
  6. Step 6: Final answer
    x = 332,989.84

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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.