Home / 406,213.11-609,395.81-181,582.43

Finding the Fourth Proportional to 406,213.11, 609,395.81 and 181,582.43

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Solution

The fourth proportional to 406,213.11, 609,395.81 and 181,582.43 is: 272,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,213.11 : 609,395.81 = 181,582.43 : x
  2. Step 2: Convert to fraction form
    406,213.11/609,395.81 = 181,582.43/x
  3. Step 3: Cross multiply
    406,213.11x = 609,395.81 × 181,582.43
  4. Step 4: Simplify right side
    406,213.11x = 110,655,568,056.73
  5. Step 5: Solve for x
    x = 110,655,568,056.73/406,213.11
  6. Step 6: Final answer
    x = 272,407.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.