Home / 612,823.82-919,383.35-192,099.69

Finding the Fourth Proportional to 612,823.82, 919,383.35 and 192,099.69

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Solution

The fourth proportional to 612,823.82, 919,383.35 and 192,099.69 is: 288,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,823.82 : 919,383.35 = 192,099.69 : x
  2. Step 2: Convert to fraction form
    612,823.82/919,383.35 = 192,099.69/x
  3. Step 3: Cross multiply
    612,823.82x = 919,383.35 × 192,099.69
  4. Step 4: Simplify right side
    612,823.82x = 176,613,258,824.62
  5. Step 5: Solve for x
    x = 176,613,258,824.62/612,823.82
  6. Step 6: Final answer
    x = 288,195.81

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1.5x scale

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.