Home / 427,086.50-589,328.21-236,073.92

Finding the Fourth Proportional to 427,086.50, 589,328.21 and 236,073.92

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Solution

The fourth proportional to 427,086.50, 589,328.21 and 236,073.92 is: 325,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,086.50 : 589,328.21 = 236,073.92 : x
  2. Step 2: Convert to fraction form
    427,086.50/589,328.21 = 236,073.92/x
  3. Step 3: Cross multiply
    427,086.50x = 589,328.21 × 236,073.92
  4. Step 4: Simplify right side
    427,086.50x = 139,125,019,520.91
  5. Step 5: Solve for x
    x = 139,125,019,520.91/427,086.50
  6. Step 6: Final answer
    x = 325,753.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.