Home / 406,467.57-609,572.12-379,932.38

Finding the Fourth Proportional to 406,467.57, 609,572.12 and 379,932.38

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Solution

The fourth proportional to 406,467.57, 609,572.12 and 379,932.38 is: 569,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,467.57 : 609,572.12 = 379,932.38 : x
  2. Step 2: Convert to fraction form
    406,467.57/609,572.12 = 379,932.38/x
  3. Step 3: Cross multiply
    406,467.57x = 609,572.12 × 379,932.38
  4. Step 4: Simplify right side
    406,467.57x = 231,596,181,385.72
  5. Step 5: Solve for x
    x = 231,596,181,385.72/406,467.57
  6. Step 6: Final answer
    x = 569,777.76

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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.