Home / 1,268,578.80-1,750,637.34-695,628.54

Finding the Fourth Proportional to 1,268,578.80, 1,750,637.34 and 695,628.54

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Solution

The fourth proportional to 1,268,578.80, 1,750,637.34 and 695,628.54 is: 959,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,578.80 : 1,750,637.34 = 695,628.54 : x
  2. Step 2: Convert to fraction form
    1,268,578.80/1,750,637.34 = 695,628.54/x
  3. Step 3: Cross multiply
    1,268,578.80x = 1,750,637.34 × 695,628.54
  4. Step 4: Simplify right side
    1,268,578.80x = 1,217,793,296,893.68
  5. Step 5: Solve for x
    x = 1,217,793,296,893.68/1,268,578.80
  6. Step 6: Final answer
    x = 959,966.62

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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.