Home / 829,135.94-1,243,632.20-504,840.29

Finding the Fourth Proportional to 829,135.94, 1,243,632.20 and 504,840.29

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Solution

The fourth proportional to 829,135.94, 1,243,632.20 and 504,840.29 is: 757,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,135.94 : 1,243,632.20 = 504,840.29 : x
  2. Step 2: Convert to fraction form
    829,135.94/1,243,632.20 = 504,840.29/x
  3. Step 3: Cross multiply
    829,135.94x = 1,243,632.20 × 504,840.29
  4. Step 4: Simplify right side
    829,135.94x = 627,835,631,758.98
  5. Step 5: Solve for x
    x = 627,835,631,758.98/829,135.94
  6. Step 6: Final answer
    x = 757,216.77

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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.