Home / 406,873.14-561,482.25-225,585.12

Finding the Fourth Proportional to 406,873.14, 561,482.25 and 225,585.12

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Solution

The fourth proportional to 406,873.14, 561,482.25 and 225,585.12 is: 311,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,873.14 : 561,482.25 = 225,585.12 : x
  2. Step 2: Convert to fraction form
    406,873.14/561,482.25 = 225,585.12/x
  3. Step 3: Cross multiply
    406,873.14x = 561,482.25 × 225,585.12
  4. Step 4: Simplify right side
    406,873.14x = 126,662,040,744.12
  5. Step 5: Solve for x
    x = 126,662,040,744.12/406,873.14
  6. Step 6: Final answer
    x = 311,305.98

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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.