Home / 769,069.70-1,153,604.55-454,141.70

Finding the Fourth Proportional to 769,069.70, 1,153,604.55 and 454,141.70

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Solution

The fourth proportional to 769,069.70, 1,153,604.55 and 454,141.70 is: 681,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,069.70 : 1,153,604.55 = 454,141.70 : x
  2. Step 2: Convert to fraction form
    769,069.70/1,153,604.55 = 454,141.70/x
  3. Step 3: Cross multiply
    769,069.70x = 1,153,604.55 × 454,141.70
  4. Step 4: Simplify right side
    769,069.70x = 523,899,931,464.74
  5. Step 5: Solve for x
    x = 523,899,931,464.74/769,069.70
  6. Step 6: Final answer
    x = 681,212.55

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Half scale
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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.