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Finding the Fourth Proportional to 1,166,589, 1,609,892.82 and 630,045

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Solution

The fourth proportional to 1,166,589, 1,609,892.82 and 630,045 is: 869,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,589 : 1,609,892.82 = 630,045 : x
  2. Step 2: Convert to fraction form
    1,166,589/1,609,892.82 = 630,045/x
  3. Step 3: Cross multiply
    1,166,589x = 1,609,892.82 × 630,045
  4. Step 4: Simplify right side
    1,166,589x = 1,014,304,921,776.90
  5. Step 5: Solve for x
    x = 1,014,304,921,776.90/1,166,589
  6. Step 6: Final answer
    x = 869,462.10

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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.