Home / 908,788.80-1,363,183.20-605,670.60

Finding the Fourth Proportional to 908,788.80, 1,363,183.20 and 605,670.60

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Solution

The fourth proportional to 908,788.80, 1,363,183.20 and 605,670.60 is: 908,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,788.80 : 1,363,183.20 = 605,670.60 : x
  2. Step 2: Convert to fraction form
    908,788.80/1,363,183.20 = 605,670.60/x
  3. Step 3: Cross multiply
    908,788.80x = 1,363,183.20 × 605,670.60
  4. Step 4: Simplify right side
    908,788.80x = 825,639,986,653.92
  5. Step 5: Solve for x
    x = 825,639,986,653.92/908,788.80
  6. Step 6: Final answer
    x = 908,505.90

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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.