Home / 1,336,680.78-1,844,717.04-763,708.65

Finding the Fourth Proportional to 1,336,680.78, 1,844,717.04 and 763,708.65

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Solution

The fourth proportional to 1,336,680.78, 1,844,717.04 and 763,708.65 is: 1,053,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,680.78 : 1,844,717.04 = 763,708.65 : x
  2. Step 2: Convert to fraction form
    1,336,680.78/1,844,717.04 = 763,708.65/x
  3. Step 3: Cross multiply
    1,336,680.78x = 1,844,717.04 × 763,708.65
  4. Step 4: Simplify right side
    1,336,680.78x = 1,408,826,360,250.40
  5. Step 5: Solve for x
    x = 1,408,826,360,250.40/1,336,680.78
  6. Step 6: Final answer
    x = 1,053,973.68

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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.