Home / 816,110.20-1,224,165.30-810,861.40

Finding the Fourth Proportional to 816,110.20, 1,224,165.30 and 810,861.40

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Solution

The fourth proportional to 816,110.20, 1,224,165.30 and 810,861.40 is: 1,216,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,110.20 : 1,224,165.30 = 810,861.40 : x
  2. Step 2: Convert to fraction form
    816,110.20/1,224,165.30 = 810,861.40/x
  3. Step 3: Cross multiply
    816,110.20x = 1,224,165.30 × 810,861.40
  4. Step 4: Simplify right side
    816,110.20x = 992,628,388,989.42
  5. Step 5: Solve for x
    x = 992,628,388,989.42/816,110.20
  6. Step 6: Final answer
    x = 1,216,292.10

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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.