Home / 1,213,770.96-1,821,181.32-465,642

Finding the Fourth Proportional to 1,213,770.96, 1,821,181.32 and 465,642

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Solution

The fourth proportional to 1,213,770.96, 1,821,181.32 and 465,642 is: 698,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,770.96 : 1,821,181.32 = 465,642 : x
  2. Step 2: Convert to fraction form
    1,213,770.96/1,821,181.32 = 465,642/x
  3. Step 3: Cross multiply
    1,213,770.96x = 1,821,181.32 × 465,642
  4. Step 4: Simplify right side
    1,213,770.96x = 848,018,512,207.44
  5. Step 5: Solve for x
    x = 848,018,512,207.44/1,213,770.96
  6. Step 6: Final answer
    x = 698,664.36

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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.