Home / 613,507.26-920,353.77-192,743.58

Finding the Fourth Proportional to 613,507.26, 920,353.77 and 192,743.58

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Solution

The fourth proportional to 613,507.26, 920,353.77 and 192,743.58 is: 289,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,507.26 : 920,353.77 = 192,743.58 : x
  2. Step 2: Convert to fraction form
    613,507.26/920,353.77 = 192,743.58/x
  3. Step 3: Cross multiply
    613,507.26x = 920,353.77 × 192,743.58
  4. Step 4: Simplify right side
    613,507.26x = 177,392,280,496.30
  5. Step 5: Solve for x
    x = 177,392,280,496.30/613,507.26
  6. Step 6: Final answer
    x = 289,144.55

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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.