Home / 789,066.90-1,183,600.35-256,605.30

Finding the Fourth Proportional to 789,066.90, 1,183,600.35 and 256,605.30

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Solution

The fourth proportional to 789,066.90, 1,183,600.35 and 256,605.30 is: 384,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,066.90 : 1,183,600.35 = 256,605.30 : x
  2. Step 2: Convert to fraction form
    789,066.90/1,183,600.35 = 256,605.30/x
  3. Step 3: Cross multiply
    789,066.90x = 1,183,600.35 × 256,605.30
  4. Step 4: Simplify right side
    789,066.90x = 303,718,122,891.86
  5. Step 5: Solve for x
    x = 303,718,122,891.86/789,066.90
  6. Step 6: Final answer
    x = 384,907.95

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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.