Home / 419,734.20-579,166.98-235,936.52

Finding the Fourth Proportional to 419,734.20, 579,166.98 and 235,936.52

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Solution

The fourth proportional to 419,734.20, 579,166.98 and 235,936.52 is: 325,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,734.20 : 579,166.98 = 235,936.52 : x
  2. Step 2: Convert to fraction form
    419,734.20/579,166.98 = 235,936.52/x
  3. Step 3: Cross multiply
    419,734.20x = 579,166.98 × 235,936.52
  4. Step 4: Simplify right side
    419,734.20x = 136,646,641,760.11
  5. Step 5: Solve for x
    x = 136,646,641,760.11/419,734.20
  6. Step 6: Final answer
    x = 325,555.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.