Home / 1,396,661.96-1,927,243.86-937,683.56

Finding the Fourth Proportional to 1,396,661.96, 1,927,243.86 and 937,683.56

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Solution

The fourth proportional to 1,396,661.96, 1,927,243.86 and 937,683.56 is: 1,293,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,661.96 : 1,927,243.86 = 937,683.56 : x
  2. Step 2: Convert to fraction form
    1,396,661.96/1,927,243.86 = 937,683.56/x
  3. Step 3: Cross multiply
    1,396,661.96x = 1,927,243.86 × 937,683.56
  4. Step 4: Simplify right side
    1,396,661.96x = 1,807,144,883,632.94
  5. Step 5: Solve for x
    x = 1,807,144,883,632.94/1,396,661.96
  6. Step 6: Final answer
    x = 1,293,902.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.