Home / 1,213,450.08-1,818,699.44-858,566.56

Finding the Fourth Proportional to 1,213,450.08, 1,818,699.44 and 858,566.56

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Solution

The fourth proportional to 1,213,450.08, 1,818,699.44 and 858,566.56 is: 1,286,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,450.08 : 1,818,699.44 = 858,566.56 : x
  2. Step 2: Convert to fraction form
    1,213,450.08/1,818,699.44 = 858,566.56/x
  3. Step 3: Cross multiply
    1,213,450.08x = 1,818,699.44 × 858,566.56
  4. Step 4: Simplify right side
    1,213,450.08x = 1,561,474,521,874.73
  5. Step 5: Solve for x
    x = 1,561,474,521,874.73/1,213,450.08
  6. Step 6: Final answer
    x = 1,286,805.73

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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.