Home / 829,056.30-1,244,896.65-629,601.90

Finding the Fourth Proportional to 829,056.30, 1,244,896.65 and 629,601.90

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Solution

The fourth proportional to 829,056.30, 1,244,896.65 and 629,601.90 is: 945,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,056.30 : 1,244,896.65 = 629,601.90 : x
  2. Step 2: Convert to fraction form
    829,056.30/1,244,896.65 = 629,601.90/x
  3. Step 3: Cross multiply
    829,056.30x = 1,244,896.65 × 629,601.90
  4. Step 4: Simplify right side
    829,056.30x = 783,789,296,143.64
  5. Step 5: Solve for x
    x = 783,789,296,143.64/829,056.30
  6. Step 6: Final answer
    x = 945,399.36

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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.