Home / 746,009.20-1,119,188.76-296,755.66

Finding the Fourth Proportional to 746,009.20, 1,119,188.76 and 296,755.66

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Solution

The fourth proportional to 746,009.20, 1,119,188.76 and 296,755.66 is: 445,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,009.20 : 1,119,188.76 = 296,755.66 : x
  2. Step 2: Convert to fraction form
    746,009.20/1,119,188.76 = 296,755.66/x
  3. Step 3: Cross multiply
    746,009.20x = 1,119,188.76 × 296,755.66
  4. Step 4: Simplify right side
    746,009.20x = 332,125,599,138.38
  5. Step 5: Solve for x
    x = 332,125,599,138.38/746,009.20
  6. Step 6: Final answer
    x = 445,203.09

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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.