Home / 789,070.40-1,183,605.60-256,608.80

Finding the Fourth Proportional to 789,070.40, 1,183,605.60 and 256,608.80

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Solution

The fourth proportional to 789,070.40, 1,183,605.60 and 256,608.80 is: 384,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,070.40 : 1,183,605.60 = 256,608.80 : x
  2. Step 2: Convert to fraction form
    789,070.40/1,183,605.60 = 256,608.80/x
  3. Step 3: Cross multiply
    789,070.40x = 1,183,605.60 × 256,608.80
  4. Step 4: Simplify right side
    789,070.40x = 303,723,612,689.28
  5. Step 5: Solve for x
    x = 303,723,612,689.28/789,070.40
  6. Step 6: Final answer
    x = 384,913.20

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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.