Home / 1,213,748.78-1,820,858.05-465,736.62

Finding the Fourth Proportional to 1,213,748.78, 1,820,858.05 and 465,736.62

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Solution

The fourth proportional to 1,213,748.78, 1,820,858.05 and 465,736.62 is: 698,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,748.78 : 1,820,858.05 = 465,736.62 : x
  2. Step 2: Convert to fraction form
    1,213,748.78/1,820,858.05 = 465,736.62/x
  3. Step 3: Cross multiply
    1,213,748.78x = 1,820,858.05 × 465,736.62
  4. Step 4: Simplify right side
    1,213,748.78x = 848,040,273,706.79
  5. Step 5: Solve for x
    x = 848,040,273,706.79/1,213,748.78
  6. Step 6: Final answer
    x = 698,695.06

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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.