Home / 731,455.80-1,097,183.70-605,484.60

Finding the Fourth Proportional to 731,455.80, 1,097,183.70 and 605,484.60

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Solution

The fourth proportional to 731,455.80, 1,097,183.70 and 605,484.60 is: 908,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,455.80 : 1,097,183.70 = 605,484.60 : x
  2. Step 2: Convert to fraction form
    731,455.80/1,097,183.70 = 605,484.60/x
  3. Step 3: Cross multiply
    731,455.80x = 1,097,183.70 × 605,484.60
  4. Step 4: Simplify right side
    731,455.80x = 664,327,833,721.02
  5. Step 5: Solve for x
    x = 664,327,833,721.02/731,455.80
  6. Step 6: Final answer
    x = 908,226.90

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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.