Home / 406,927.59-561,566.82-225,647.16

Finding the Fourth Proportional to 406,927.59, 561,566.82 and 225,647.16

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Solution

The fourth proportional to 406,927.59, 561,566.82 and 225,647.16 is: 311,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,927.59 : 561,566.82 = 225,647.16 : x
  2. Step 2: Convert to fraction form
    406,927.59/561,566.82 = 225,647.16/x
  3. Step 3: Cross multiply
    406,927.59x = 561,566.82 × 225,647.16
  4. Step 4: Simplify right side
    406,927.59x = 126,715,958,083.23
  5. Step 5: Solve for x
    x = 126,715,958,083.23/406,927.59
  6. Step 6: Final answer
    x = 311,396.82

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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.