Home / 1,843,198.35-2,766,027.25-645,120.71

Finding the Fourth Proportional to 1,843,198.35, 2,766,027.25 and 645,120.71

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Solution

The fourth proportional to 1,843,198.35, 2,766,027.25 and 645,120.71 is: 968,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,198.35 : 2,766,027.25 = 645,120.71 : x
  2. Step 2: Convert to fraction form
    1,843,198.35/2,766,027.25 = 645,120.71/x
  3. Step 3: Cross multiply
    1,843,198.35x = 2,766,027.25 × 645,120.71
  4. Step 4: Simplify right side
    1,843,198.35x = 1,784,421,476,307.12
  5. Step 5: Solve for x
    x = 1,784,421,476,307.12/1,843,198.35
  6. Step 6: Final answer
    x = 968,111.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.