Home / 492,393.53-738,669.04-208,086.84

Finding the Fourth Proportional to 492,393.53, 738,669.04 and 208,086.84

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Solution

The fourth proportional to 492,393.53, 738,669.04 and 208,086.84 is: 312,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,393.53 : 738,669.04 = 208,086.84 : x
  2. Step 2: Convert to fraction form
    492,393.53/738,669.04 = 208,086.84/x
  3. Step 3: Cross multiply
    492,393.53x = 738,669.04 × 208,086.84
  4. Step 4: Simplify right side
    492,393.53x = 153,707,305,819.22
  5. Step 5: Solve for x
    x = 153,707,305,819.22/492,393.53
  6. Step 6: Final answer
    x = 312,163.54

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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.