Home / 792,113.60-1,188,170.40-437,819.60

Finding the Fourth Proportional to 792,113.60, 1,188,170.40 and 437,819.60

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Solution

The fourth proportional to 792,113.60, 1,188,170.40 and 437,819.60 is: 656,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,113.60 : 1,188,170.40 = 437,819.60 : x
  2. Step 2: Convert to fraction form
    792,113.60/1,188,170.40 = 437,819.60/x
  3. Step 3: Cross multiply
    792,113.60x = 1,188,170.40 × 437,819.60
  4. Step 4: Simplify right side
    792,113.60x = 520,204,289,259.84
  5. Step 5: Solve for x
    x = 520,204,289,259.84/792,113.60
  6. Step 6: Final answer
    x = 656,729.40

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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.