Home / 816,104.40-1,222,961.40-731,864.40

Finding the Fourth Proportional to 816,104.40, 1,222,961.40 and 731,864.40

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Solution

The fourth proportional to 816,104.40, 1,222,961.40 and 731,864.40 is: 1,096,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,104.40 : 1,222,961.40 = 731,864.40 : x
  2. Step 2: Convert to fraction form
    816,104.40/1,222,961.40 = 731,864.40/x
  3. Step 3: Cross multiply
    816,104.40x = 1,222,961.40 × 731,864.40
  4. Step 4: Simplify right side
    816,104.40x = 895,041,911,234.16
  5. Step 5: Solve for x
    x = 895,041,911,234.16/816,104.40
  6. Step 6: Final answer
    x = 1,096,724.77

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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.