Home / 406,917.03-561,552.24-225,636.60

Finding the Fourth Proportional to 406,917.03, 561,552.24 and 225,636.60

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Solution

The fourth proportional to 406,917.03, 561,552.24 and 225,636.60 is: 311,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,917.03 : 561,552.24 = 225,636.60 : x
  2. Step 2: Convert to fraction form
    406,917.03/561,552.24 = 225,636.60/x
  3. Step 3: Cross multiply
    406,917.03x = 561,552.24 × 225,636.60
  4. Step 4: Simplify right side
    406,917.03x = 126,706,741,107.94
  5. Step 5: Solve for x
    x = 126,706,741,107.94/406,917.03
  6. Step 6: Final answer
    x = 311,382.25

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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.