Home / 881,999.66-1,321,334.62-521,093.64

Finding the Fourth Proportional to 881,999.66, 1,321,334.62 and 521,093.64

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Solution

The fourth proportional to 881,999.66, 1,321,334.62 and 521,093.64 is: 780,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,999.66 : 1,321,334.62 = 521,093.64 : x
  2. Step 2: Convert to fraction form
    881,999.66/1,321,334.62 = 521,093.64/x
  3. Step 3: Cross multiply
    881,999.66x = 1,321,334.62 × 521,093.64
  4. Step 4: Simplify right side
    881,999.66x = 688,539,066,793.82
  5. Step 5: Solve for x
    x = 688,539,066,793.82/881,999.66
  6. Step 6: Final answer
    x = 780,656.84

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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.