Home / 613,072.78-919,346.72-192,381.46

Finding the Fourth Proportional to 613,072.78, 919,346.72 and 192,381.46

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Solution

The fourth proportional to 613,072.78, 919,346.72 and 192,381.46 is: 288,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,072.78 : 919,346.72 = 192,381.46 : x
  2. Step 2: Convert to fraction form
    613,072.78/919,346.72 = 192,381.46/x
  3. Step 3: Cross multiply
    613,072.78x = 919,346.72 × 192,381.46
  4. Step 4: Simplify right side
    613,072.78x = 176,865,264,239.81
  5. Step 5: Solve for x
    x = 176,865,264,239.81/613,072.78
  6. Step 6: Final answer
    x = 288,489.83

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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.