Home / 427,091.50-589,335.10-236,078.92

Finding the Fourth Proportional to 427,091.50, 589,335.10 and 236,078.92

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Solution

The fourth proportional to 427,091.50, 589,335.10 and 236,078.92 is: 325,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,091.50 : 589,335.10 = 236,078.92 : x
  2. Step 2: Convert to fraction form
    427,091.50/589,335.10 = 236,078.92/x
  3. Step 3: Cross multiply
    427,091.50x = 589,335.10 × 236,078.92
  4. Step 4: Simplify right side
    427,091.50x = 139,129,593,926.09
  5. Step 5: Solve for x
    x = 139,129,593,926.09/427,091.50
  6. Step 6: Final answer
    x = 325,760.62

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1.5x scale

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.