Home / 1,065,817.82-1,598,733.65-426,175.29

Finding the Fourth Proportional to 1,065,817.82, 1,598,733.65 and 426,175.29

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Solution

The fourth proportional to 1,065,817.82, 1,598,733.65 and 426,175.29 is: 639,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,817.82 : 1,598,733.65 = 426,175.29 : x
  2. Step 2: Convert to fraction form
    1,065,817.82/1,598,733.65 = 426,175.29/x
  3. Step 3: Cross multiply
    1,065,817.82x = 1,598,733.65 × 426,175.29
  4. Step 4: Simplify right side
    1,065,817.82x = 681,340,782,540.05
  5. Step 5: Solve for x
    x = 681,340,782,540.05/1,065,817.82
  6. Step 6: Final answer
    x = 639,265.71

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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.