Home / 406,600.27-561,111.68-225,315.23

Finding the Fourth Proportional to 406,600.27, 561,111.68 and 225,315.23

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Solution

The fourth proportional to 406,600.27, 561,111.68 and 225,315.23 is: 310,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,600.27 : 561,111.68 = 225,315.23 : x
  2. Step 2: Convert to fraction form
    406,600.27/561,111.68 = 225,315.23/x
  3. Step 3: Cross multiply
    406,600.27x = 561,111.68 × 225,315.23
  4. Step 4: Simplify right side
    406,600.27x = 126,427,007,353.69
  5. Step 5: Solve for x
    x = 126,427,007,353.69/406,600.27
  6. Step 6: Final answer
    x = 310,936.85

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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.