Home / 699,381.91-1,049,072.87-462,669.23

Finding the Fourth Proportional to 699,381.91, 1,049,072.87 and 462,669.23

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Solution

The fourth proportional to 699,381.91, 1,049,072.87 and 462,669.23 is: 694,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,381.91 : 1,049,072.87 = 462,669.23 : x
  2. Step 2: Convert to fraction form
    699,381.91/1,049,072.87 = 462,669.23/x
  3. Step 3: Cross multiply
    699,381.91x = 1,049,072.87 × 462,669.23
  4. Step 4: Simplify right side
    699,381.91x = 485,373,738,153.63
  5. Step 5: Solve for x
    x = 485,373,738,153.63/699,381.91
  6. Step 6: Final answer
    x = 694,003.85

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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.