Home / 1,410,118.89-1,945,986.68-765,538.57

Finding the Fourth Proportional to 1,410,118.89, 1,945,986.68 and 765,538.57

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Solution

The fourth proportional to 1,410,118.89, 1,945,986.68 and 765,538.57 is: 1,056,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,118.89 : 1,945,986.68 = 765,538.57 : x
  2. Step 2: Convert to fraction form
    1,410,118.89/1,945,986.68 = 765,538.57/x
  3. Step 3: Cross multiply
    1,410,118.89x = 1,945,986.68 × 765,538.57
  4. Step 4: Simplify right side
    1,410,118.89x = 1,489,727,860,246.25
  5. Step 5: Solve for x
    x = 1,489,727,860,246.25/1,410,118.89
  6. Step 6: Final answer
    x = 1,056,455.50

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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.