Home / 1,284,991-1,773,326.46-711,977.56

Finding the Fourth Proportional to 1,284,991, 1,773,326.46 and 711,977.56

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Solution

The fourth proportional to 1,284,991, 1,773,326.46 and 711,977.56 is: 982,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,991 : 1,773,326.46 = 711,977.56 : x
  2. Step 2: Convert to fraction form
    1,284,991/1,773,326.46 = 711,977.56/x
  3. Step 3: Cross multiply
    1,284,991x = 1,773,326.46 × 711,977.56
  4. Step 4: Simplify right side
    1,284,991x = 1,262,568,646,074.24
  5. Step 5: Solve for x
    x = 1,262,568,646,074.24/1,284,991
  6. Step 6: Final answer
    x = 982,550.58

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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.