Home / 419,664.66-629,566.70-166,947.59

Finding the Fourth Proportional to 419,664.66, 629,566.70 and 166,947.59

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Solution

The fourth proportional to 419,664.66, 629,566.70 and 166,947.59 is: 250,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,664.66 : 629,566.70 = 166,947.59 : x
  2. Step 2: Convert to fraction form
    419,664.66/629,566.70 = 166,947.59/x
  3. Step 3: Cross multiply
    419,664.66x = 629,566.70 × 166,947.59
  4. Step 4: Simplify right side
    419,664.66x = 105,104,643,309.25
  5. Step 5: Solve for x
    x = 105,104,643,309.25/419,664.66
  6. Step 6: Final answer
    x = 250,449.12

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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.