Home / 1,215,736.00-1,677,670.31-699,569.60

Finding the Fourth Proportional to 1,215,736.00, 1,677,670.31 and 699,569.60

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Solution

The fourth proportional to 1,215,736.00, 1,677,670.31 and 699,569.60 is: 965,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,736.00 : 1,677,670.31 = 699,569.60 : x
  2. Step 2: Convert to fraction form
    1,215,736.00/1,677,670.31 = 699,569.60/x
  3. Step 3: Cross multiply
    1,215,736.00x = 1,677,670.31 × 699,569.60
  4. Step 4: Simplify right side
    1,215,736.00x = 1,173,647,141,059.15
  5. Step 5: Solve for x
    x = 1,173,647,141,059.15/1,215,736.00
  6. Step 6: Final answer
    x = 965,379.94

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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.