Home / 854,183.70-1,281,275.55-540,033.30

Finding the Fourth Proportional to 854,183.70, 1,281,275.55 and 540,033.30

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Solution

The fourth proportional to 854,183.70, 1,281,275.55 and 540,033.30 is: 810,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,183.70 : 1,281,275.55 = 540,033.30 : x
  2. Step 2: Convert to fraction form
    854,183.70/1,281,275.55 = 540,033.30/x
  3. Step 3: Cross multiply
    854,183.70x = 1,281,275.55 × 540,033.30
  4. Step 4: Simplify right side
    854,183.70x = 691,931,463,475.82
  5. Step 5: Solve for x
    x = 691,931,463,475.82/854,183.70
  6. Step 6: Final answer
    x = 810,049.95

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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.