Home / 406,922.58-561,554.37-225,647.28

Finding the Fourth Proportional to 406,922.58, 561,554.37 and 225,647.28

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Solution

The fourth proportional to 406,922.58, 561,554.37 and 225,647.28 is: 311,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,922.58 : 561,554.37 = 225,647.28 : x
  2. Step 2: Convert to fraction form
    406,922.58/561,554.37 = 225,647.28/x
  3. Step 3: Cross multiply
    406,922.58x = 561,554.37 × 225,647.28
  4. Step 4: Simplify right side
    406,922.58x = 126,713,216,162.61
  5. Step 5: Solve for x
    x = 126,713,216,162.61/406,922.58
  6. Step 6: Final answer
    x = 311,393.92

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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.