Home / 1,409,778.66-1,945,496.94-765,199.02

Finding the Fourth Proportional to 1,409,778.66, 1,945,496.94 and 765,199.02

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Solution

The fourth proportional to 1,409,778.66, 1,945,496.94 and 765,199.02 is: 1,055,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,778.66 : 1,945,496.94 = 765,199.02 : x
  2. Step 2: Convert to fraction form
    1,409,778.66/1,945,496.94 = 765,199.02/x
  3. Step 3: Cross multiply
    1,409,778.66x = 1,945,496.94 × 765,199.02
  4. Step 4: Simplify right side
    1,409,778.66x = 1,488,692,351,901.00
  5. Step 5: Solve for x
    x = 1,488,692,351,901.00/1,409,778.66
  6. Step 6: Final answer
    x = 1,055,975.94

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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.