Home / 854,190.20-1,281,285.30-540,039.80

Finding the Fourth Proportional to 854,190.20, 1,281,285.30 and 540,039.80

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Solution

The fourth proportional to 854,190.20, 1,281,285.30 and 540,039.80 is: 810,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,190.20 : 1,281,285.30 = 540,039.80 : x
  2. Step 2: Convert to fraction form
    854,190.20/1,281,285.30 = 540,039.80/x
  3. Step 3: Cross multiply
    854,190.20x = 1,281,285.30 × 540,039.80
  4. Step 4: Simplify right side
    854,190.20x = 691,945,057,154.94
  5. Step 5: Solve for x
    x = 691,945,057,154.94/854,190.20
  6. Step 6: Final answer
    x = 810,059.70

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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.