Home / 743,255.60-1,115,049.48-237,846.90

Finding the Fourth Proportional to 743,255.60, 1,115,049.48 and 237,846.90

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Solution

The fourth proportional to 743,255.60, 1,115,049.48 and 237,846.90 is: 356,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,255.60 : 1,115,049.48 = 237,846.90 : x
  2. Step 2: Convert to fraction form
    743,255.60/1,115,049.48 = 237,846.90/x
  3. Step 3: Cross multiply
    743,255.60x = 1,115,049.48 × 237,846.90
  4. Step 4: Simplify right side
    743,255.60x = 265,211,059,181.97
  5. Step 5: Solve for x
    x = 265,211,059,181.97/743,255.60
  6. Step 6: Final answer
    x = 356,823.50

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Half scale
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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.