Home / 406,837.91-561,469.59-225,606.69

Finding the Fourth Proportional to 406,837.91, 561,469.59 and 225,606.69

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Solution

The fourth proportional to 406,837.91, 561,469.59 and 225,606.69 is: 311,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,837.91 : 561,469.59 = 225,606.69 : x
  2. Step 2: Convert to fraction form
    406,837.91/561,469.59 = 225,606.69/x
  3. Step 3: Cross multiply
    406,837.91x = 561,469.59 × 225,606.69
  4. Step 4: Simplify right side
    406,837.91x = 126,671,295,735.56
  5. Step 5: Solve for x
    x = 126,671,295,735.56/406,837.91
  6. Step 6: Final answer
    x = 311,355.68

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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.