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Finding the Fourth Proportional to 3,958,672.86, 5,938,224.33 and 1,119,008.22

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Solution

The fourth proportional to 3,958,672.86, 5,938,224.33 and 1,119,008.22 is: 1,678,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,672.86 : 5,938,224.33 = 1,119,008.22 : x
  2. Step 2: Convert to fraction form
    3,958,672.86/5,938,224.33 = 1,119,008.22/x
  3. Step 3: Cross multiply
    3,958,672.86x = 5,938,224.33 × 1,119,008.22
  4. Step 4: Simplify right side
    3,958,672.86x = 6,644,921,837,473.99
  5. Step 5: Solve for x
    x = 6,644,921,837,473.99/3,958,672.86
  6. Step 6: Final answer
    x = 1,678,573.12

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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.