Home / 406,579.39-561,087.68-236,824.45

Finding the Fourth Proportional to 406,579.39, 561,087.68 and 236,824.45

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Solution

The fourth proportional to 406,579.39, 561,087.68 and 236,824.45 is: 326,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,579.39 : 561,087.68 = 236,824.45 : x
  2. Step 2: Convert to fraction form
    406,579.39/561,087.68 = 236,824.45/x
  3. Step 3: Cross multiply
    406,579.39x = 561,087.68 × 236,824.45
  4. Step 4: Simplify right side
    406,579.39x = 132,879,281,217.78
  5. Step 5: Solve for x
    x = 132,879,281,217.78/406,579.39
  6. Step 6: Final answer
    x = 326,822.47

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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.