Home / 406,866.47-561,467.03-234,770.94

Finding the Fourth Proportional to 406,866.47, 561,467.03 and 234,770.94

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Solution

The fourth proportional to 406,866.47, 561,467.03 and 234,770.94 is: 323,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,866.47 : 561,467.03 = 234,770.94 : x
  2. Step 2: Convert to fraction form
    406,866.47/561,467.03 = 234,770.94/x
  3. Step 3: Cross multiply
    406,866.47x = 561,467.03 × 234,770.94
  4. Step 4: Simplify right side
    406,866.47x = 131,816,141,238.25
  5. Step 5: Solve for x
    x = 131,816,141,238.25/406,866.47
  6. Step 6: Final answer
    x = 323,978.88

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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.