Home / 427,816.79-590,394.17-234,221.27

Finding the Fourth Proportional to 427,816.79, 590,394.17 and 234,221.27

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Solution

The fourth proportional to 427,816.79, 590,394.17 and 234,221.27 is: 323,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,816.79 : 590,394.17 = 234,221.27 : x
  2. Step 2: Convert to fraction form
    427,816.79/590,394.17 = 234,221.27/x
  3. Step 3: Cross multiply
    427,816.79x = 590,394.17 × 234,221.27
  4. Step 4: Simplify right side
    427,816.79x = 138,282,871,935.05
  5. Step 5: Solve for x
    x = 138,282,871,935.05/427,816.79
  6. Step 6: Final answer
    x = 323,229.18

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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.