Home / 959,376.42-1,324,003.32-636,531.48

Finding the Fourth Proportional to 959,376.42, 1,324,003.32 and 636,531.48

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Solution

The fourth proportional to 959,376.42, 1,324,003.32 and 636,531.48 is: 878,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,376.42 : 1,324,003.32 = 636,531.48 : x
  2. Step 2: Convert to fraction form
    959,376.42/1,324,003.32 = 636,531.48/x
  3. Step 3: Cross multiply
    959,376.42x = 1,324,003.32 × 636,531.48
  4. Step 4: Simplify right side
    959,376.42x = 842,769,792,804.51
  5. Step 5: Solve for x
    x = 842,769,792,804.51/959,376.42
  6. Step 6: Final answer
    x = 878,455.81

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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.