Home / 1,409,939.37-1,945,718.79-765,360

Finding the Fourth Proportional to 1,409,939.37, 1,945,718.79 and 765,360

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Solution

The fourth proportional to 1,409,939.37, 1,945,718.79 and 765,360 is: 1,056,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,939.37 : 1,945,718.79 = 765,360 : x
  2. Step 2: Convert to fraction form
    1,409,939.37/1,945,718.79 = 765,360/x
  3. Step 3: Cross multiply
    1,409,939.37x = 1,945,718.79 × 765,360
  4. Step 4: Simplify right side
    1,409,939.37x = 1,489,175,333,114.40
  5. Step 5: Solve for x
    x = 1,489,175,333,114.40/1,409,939.37
  6. Step 6: Final answer
    x = 1,056,198.14

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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.