Home / 1,238,540.67-1,709,049.47-694,564.52

Finding the Fourth Proportional to 1,238,540.67, 1,709,049.47 and 694,564.52

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Solution

The fourth proportional to 1,238,540.67, 1,709,049.47 and 694,564.52 is: 958,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,540.67 : 1,709,049.47 = 694,564.52 : x
  2. Step 2: Convert to fraction form
    1,238,540.67/1,709,049.47 = 694,564.52/x
  3. Step 3: Cross multiply
    1,238,540.67x = 1,709,049.47 × 694,564.52
  4. Step 4: Simplify right side
    1,238,540.67x = 1,187,045,112,768.73
  5. Step 5: Solve for x
    x = 1,187,045,112,768.73/1,238,540.67
  6. Step 6: Final answer
    x = 958,422.39

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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.