Home / 492,834.80-739,250.04-193,103.60

Finding the Fourth Proportional to 492,834.80, 739,250.04 and 193,103.60

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Solution

The fourth proportional to 492,834.80, 739,250.04 and 193,103.60 is: 289,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,834.80 : 739,250.04 = 193,103.60 : x
  2. Step 2: Convert to fraction form
    492,834.80/739,250.04 = 193,103.60/x
  3. Step 3: Cross multiply
    492,834.80x = 739,250.04 × 193,103.60
  4. Step 4: Simplify right side
    492,834.80x = 142,751,844,024.14
  5. Step 5: Solve for x
    x = 142,751,844,024.14/492,834.80
  6. Step 6: Final answer
    x = 289,654.55

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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.