Home / 622,162.71-932,293.26-419,007.56

Finding the Fourth Proportional to 622,162.71, 932,293.26 and 419,007.56

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Solution

The fourth proportional to 622,162.71, 932,293.26 and 419,007.56 is: 627,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,162.71 : 932,293.26 = 419,007.56 : x
  2. Step 2: Convert to fraction form
    622,162.71/932,293.26 = 419,007.56/x
  3. Step 3: Cross multiply
    622,162.71x = 932,293.26 × 419,007.56
  4. Step 4: Simplify right side
    622,162.71x = 390,637,919,415.58
  5. Step 5: Solve for x
    x = 390,637,919,415.58/622,162.71
  6. Step 6: Final answer
    x = 627,870.99

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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.