Home / 406,579.50-561,087.81-236,824.56

Finding the Fourth Proportional to 406,579.50, 561,087.81 and 236,824.56

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Solution

The fourth proportional to 406,579.50, 561,087.81 and 236,824.56 is: 326,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,579.50 : 561,087.81 = 236,824.56 : x
  2. Step 2: Convert to fraction form
    406,579.50/561,087.81 = 236,824.56/x
  3. Step 3: Cross multiply
    406,579.50x = 561,087.81 × 236,824.56
  4. Step 4: Simplify right side
    406,579.50x = 132,879,373,724.61
  5. Step 5: Solve for x
    x = 132,879,373,724.61/406,579.50
  6. Step 6: Final answer
    x = 326,822.61

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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.