Home / 746,546.40-1,119,819.60-247,910.40

Finding the Fourth Proportional to 746,546.40, 1,119,819.60 and 247,910.40

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Solution

The fourth proportional to 746,546.40, 1,119,819.60 and 247,910.40 is: 371,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,546.40 : 1,119,819.60 = 247,910.40 : x
  2. Step 2: Convert to fraction form
    746,546.40/1,119,819.60 = 247,910.40/x
  3. Step 3: Cross multiply
    746,546.40x = 1,119,819.60 × 247,910.40
  4. Step 4: Simplify right side
    746,546.40x = 277,614,924,963.84
  5. Step 5: Solve for x
    x = 277,614,924,963.84/746,546.40
  6. Step 6: Final answer
    x = 371,865.60

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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.