Home / 658,401.06-987,601.60-185,086.42

Finding the Fourth Proportional to 658,401.06, 987,601.60 and 185,086.42

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Solution

The fourth proportional to 658,401.06, 987,601.60 and 185,086.42 is: 277,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,401.06 : 987,601.60 = 185,086.42 : x
  2. Step 2: Convert to fraction form
    658,401.06/987,601.60 = 185,086.42/x
  3. Step 3: Cross multiply
    658,401.06x = 987,601.60 × 185,086.42
  4. Step 4: Simplify right side
    658,401.06x = 182,791,644,530.27
  5. Step 5: Solve for x
    x = 182,791,644,530.27/658,401.06
  6. Step 6: Final answer
    x = 277,629.63

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Double scale
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Similar ratio
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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.