Home / 729,994.33-1,007,245.87-407,654.83

Finding the Fourth Proportional to 729,994.33, 1,007,245.87 and 407,654.83

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Solution

The fourth proportional to 729,994.33, 1,007,245.87 and 407,654.83 is: 562,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,994.33 : 1,007,245.87 = 407,654.83 : x
  2. Step 2: Convert to fraction form
    729,994.33/1,007,245.87 = 407,654.83/x
  3. Step 3: Cross multiply
    729,994.33x = 1,007,245.87 × 407,654.83
  4. Step 4: Simplify right side
    729,994.33x = 410,608,643,903.05
  5. Step 5: Solve for x
    x = 410,608,643,903.05/729,994.33
  6. Step 6: Final answer
    x = 562,481.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.