Home / 1,640,115.04-2,263,078.40-951,629.06

Finding the Fourth Proportional to 1,640,115.04, 2,263,078.40 and 951,629.06

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Solution

The fourth proportional to 1,640,115.04, 2,263,078.40 and 951,629.06 is: 1,313,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,115.04 : 2,263,078.40 = 951,629.06 : x
  2. Step 2: Convert to fraction form
    1,640,115.04/2,263,078.40 = 951,629.06/x
  3. Step 3: Cross multiply
    1,640,115.04x = 2,263,078.40 × 951,629.06
  4. Step 4: Simplify right side
    1,640,115.04x = 2,153,611,170,498.30
  5. Step 5: Solve for x
    x = 2,153,611,170,498.30/1,640,115.04
  6. Step 6: Final answer
    x = 1,313,085.43

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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.