Home / 406,496.46-609,498.44-181,815

Finding the Fourth Proportional to 406,496.46, 609,498.44 and 181,815

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Solution

The fourth proportional to 406,496.46, 609,498.44 and 181,815 is: 272,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,496.46 : 609,498.44 = 181,815 : x
  2. Step 2: Convert to fraction form
    406,496.46/609,498.44 = 181,815/x
  3. Step 3: Cross multiply
    406,496.46x = 609,498.44 × 181,815
  4. Step 4: Simplify right side
    406,496.46x = 110,815,958,868.60
  5. Step 5: Solve for x
    x = 110,815,958,868.60/406,496.46
  6. Step 6: Final answer
    x = 272,612.36

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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.