Home / 769,793.70-1,154,690.55-454,865.70

Finding the Fourth Proportional to 769,793.70, 1,154,690.55 and 454,865.70

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Solution

The fourth proportional to 769,793.70, 1,154,690.55 and 454,865.70 is: 682,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,793.70 : 1,154,690.55 = 454,865.70 : x
  2. Step 2: Convert to fraction form
    769,793.70/1,154,690.55 = 454,865.70/x
  3. Step 3: Cross multiply
    769,793.70x = 1,154,690.55 × 454,865.70
  4. Step 4: Simplify right side
    769,793.70x = 525,229,125,309.14
  5. Step 5: Solve for x
    x = 525,229,125,309.14/769,793.70
  6. Step 6: Final answer
    x = 682,298.55

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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.