Home / 818,591.75-1,228,160.91-363,120.16

Finding the Fourth Proportional to 818,591.75, 1,228,160.91 and 363,120.16

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Solution

The fourth proportional to 818,591.75, 1,228,160.91 and 363,120.16 is: 544,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,591.75 : 1,228,160.91 = 363,120.16 : x
  2. Step 2: Convert to fraction form
    818,591.75/1,228,160.91 = 363,120.16/x
  3. Step 3: Cross multiply
    818,591.75x = 1,228,160.91 × 363,120.16
  4. Step 4: Simplify right side
    818,591.75x = 445,969,980,221.02
  5. Step 5: Solve for x
    x = 445,969,980,221.02/818,591.75
  6. Step 6: Final answer
    x = 544,801.46

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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.