Home / 406,867.53-561,476.18-225,574.81

Finding the Fourth Proportional to 406,867.53, 561,476.18 and 225,574.81

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Solution

The fourth proportional to 406,867.53, 561,476.18 and 225,574.81 is: 311,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,867.53 : 561,476.18 = 225,574.81 : x
  2. Step 2: Convert to fraction form
    406,867.53/561,476.18 = 225,574.81/x
  3. Step 3: Cross multiply
    406,867.53x = 561,476.18 × 225,574.81
  4. Step 4: Simplify right side
    406,867.53x = 126,654,882,623.03
  5. Step 5: Solve for x
    x = 126,654,882,623.03/406,867.53
  6. Step 6: Final answer
    x = 311,292.68

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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.