Home / 828,294.60-1,242,441.90-605,220.60

Finding the Fourth Proportional to 828,294.60, 1,242,441.90 and 605,220.60

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Solution

The fourth proportional to 828,294.60, 1,242,441.90 and 605,220.60 is: 907,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,294.60 : 1,242,441.90 = 605,220.60 : x
  2. Step 2: Convert to fraction form
    828,294.60/1,242,441.90 = 605,220.60/x
  3. Step 3: Cross multiply
    828,294.60x = 1,242,441.90 × 605,220.60
  4. Step 4: Simplify right side
    828,294.60x = 751,951,432,183.14
  5. Step 5: Solve for x
    x = 751,951,432,183.14/828,294.60
  6. Step 6: Final answer
    x = 907,830.90

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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.