Home / 766,183.39-1,147,454.35-385,907.83

Finding the Fourth Proportional to 766,183.39, 1,147,454.35 and 385,907.83

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Solution

The fourth proportional to 766,183.39, 1,147,454.35 and 385,907.83 is: 577,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,183.39 : 1,147,454.35 = 385,907.83 : x
  2. Step 2: Convert to fraction form
    766,183.39/1,147,454.35 = 385,907.83/x
  3. Step 3: Cross multiply
    766,183.39x = 1,147,454.35 × 385,907.83
  4. Step 4: Simplify right side
    766,183.39x = 442,811,618,232.56
  5. Step 5: Solve for x
    x = 442,811,618,232.56/766,183.39
  6. Step 6: Final answer
    x = 577,944.69

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Double scale
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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.