Home / 811,966.76-1,218,066.84-251,045

Finding the Fourth Proportional to 811,966.76, 1,218,066.84 and 251,045

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Solution

The fourth proportional to 811,966.76, 1,218,066.84 and 251,045 is: 376,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,966.76 : 1,218,066.84 = 251,045 : x
  2. Step 2: Convert to fraction form
    811,966.76/1,218,066.84 = 251,045/x
  3. Step 3: Cross multiply
    811,966.76x = 1,218,066.84 × 251,045
  4. Step 4: Simplify right side
    811,966.76x = 305,789,589,847.80
  5. Step 5: Solve for x
    x = 305,789,589,847.80/811,966.76
  6. Step 6: Final answer
    x = 376,603.58

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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.