Home / 819,507.36-1,229,441.61-250,892.76

Finding the Fourth Proportional to 819,507.36, 1,229,441.61 and 250,892.76

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Solution

The fourth proportional to 819,507.36, 1,229,441.61 and 250,892.76 is: 376,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,507.36 : 1,229,441.61 = 250,892.76 : x
  2. Step 2: Convert to fraction form
    819,507.36/1,229,441.61 = 250,892.76/x
  3. Step 3: Cross multiply
    819,507.36x = 1,229,441.61 × 250,892.76
  4. Step 4: Simplify right side
    819,507.36x = 308,457,998,791.74
  5. Step 5: Solve for x
    x = 308,457,998,791.74/819,507.36
  6. Step 6: Final answer
    x = 376,394.42

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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.