Home / 427,001.20-589,251.38-233,400.22

Finding the Fourth Proportional to 427,001.20, 589,251.38 and 233,400.22

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Solution

The fourth proportional to 427,001.20, 589,251.38 and 233,400.22 is: 322,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,001.20 : 589,251.38 = 233,400.22 : x
  2. Step 2: Convert to fraction form
    427,001.20/589,251.38 = 233,400.22/x
  3. Step 3: Cross multiply
    427,001.20x = 589,251.38 × 233,400.22
  4. Step 4: Simplify right side
    427,001.20x = 137,531,401,727.30
  5. Step 5: Solve for x
    x = 137,531,401,727.30/427,001.20
  6. Step 6: Final answer
    x = 322,086.69

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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.