Home / 406,926.59-561,565.44-225,646.16

Finding the Fourth Proportional to 406,926.59, 561,565.44 and 225,646.16

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Solution

The fourth proportional to 406,926.59, 561,565.44 and 225,646.16 is: 311,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,926.59 : 561,565.44 = 225,646.16 : x
  2. Step 2: Convert to fraction form
    406,926.59/561,565.44 = 225,646.16/x
  3. Step 3: Cross multiply
    406,926.59x = 561,565.44 × 225,646.16
  4. Step 4: Simplify right side
    406,926.59x = 126,715,082,316.88
  5. Step 5: Solve for x
    x = 126,715,082,316.88/406,926.59
  6. Step 6: Final answer
    x = 311,395.44

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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.