Home / 1,238,693.36-1,709,415-694,949.36

Finding the Fourth Proportional to 1,238,693.36, 1,709,415 and 694,949.36

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Solution

The fourth proportional to 1,238,693.36, 1,709,415 and 694,949.36 is: 959,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,693.36 : 1,709,415 = 694,949.36 : x
  2. Step 2: Convert to fraction form
    1,238,693.36/1,709,415 = 694,949.36/x
  3. Step 3: Cross multiply
    1,238,693.36x = 1,709,415 × 694,949.36
  4. Step 4: Simplify right side
    1,238,693.36x = 1,187,956,860,224.40
  5. Step 5: Solve for x
    x = 1,187,956,860,224.40/1,238,693.36
  6. Step 6: Final answer
    x = 959,040.31

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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.