Home / 612,823.44-919,382.79-192,099.32

Finding the Fourth Proportional to 612,823.44, 919,382.79 and 192,099.32

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Solution

The fourth proportional to 612,823.44, 919,382.79 and 192,099.32 is: 288,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,823.44 : 919,382.79 = 192,099.32 : x
  2. Step 2: Convert to fraction form
    612,823.44/919,382.79 = 192,099.32/x
  3. Step 3: Cross multiply
    612,823.44x = 919,382.79 × 192,099.32
  4. Step 4: Simplify right side
    612,823.44x = 176,612,808,778.70
  5. Step 5: Solve for x
    x = 176,612,808,778.70/612,823.44
  6. Step 6: Final answer
    x = 288,195.26

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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.