Home / 1,336,640.10-1,844,661.06-763,667.88

Finding the Fourth Proportional to 1,336,640.10, 1,844,661.06 and 763,667.88

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Solution

The fourth proportional to 1,336,640.10, 1,844,661.06 and 763,667.88 is: 1,053,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,640.10 : 1,844,661.06 = 763,667.88 : x
  2. Step 2: Convert to fraction form
    1,336,640.10/1,844,661.06 = 763,667.88/x
  3. Step 3: Cross multiply
    1,336,640.10x = 1,844,661.06 × 763,667.88
  4. Step 4: Simplify right side
    1,336,640.10x = 1,408,708,401,008.75
  5. Step 5: Solve for x
    x = 1,408,708,401,008.75/1,336,640.10
  6. Step 6: Final answer
    x = 1,053,917.51

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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.