Home / 819,688.14-1,229,597.81-251,114.31

Finding the Fourth Proportional to 819,688.14, 1,229,597.81 and 251,114.31

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Solution

The fourth proportional to 819,688.14, 1,229,597.81 and 251,114.31 is: 376,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,688.14 : 1,229,597.81 = 251,114.31 : x
  2. Step 2: Convert to fraction form
    819,688.14/1,229,597.81 = 251,114.31/x
  3. Step 3: Cross multiply
    819,688.14x = 1,229,597.81 × 251,114.31
  4. Step 4: Simplify right side
    819,688.14x = 308,769,605,635.66
  5. Step 5: Solve for x
    x = 308,769,605,635.66/819,688.14
  6. Step 6: Final answer
    x = 376,691.56

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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.