Home / 605,022.75-907,322.40-178,445.34

Finding the Fourth Proportional to 605,022.75, 907,322.40 and 178,445.34

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Solution

The fourth proportional to 605,022.75, 907,322.40 and 178,445.34 is: 267,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,022.75 : 907,322.40 = 178,445.34 : x
  2. Step 2: Convert to fraction form
    605,022.75/907,322.40 = 178,445.34/x
  3. Step 3: Cross multiply
    605,022.75x = 907,322.40 × 178,445.34
  4. Step 4: Simplify right side
    605,022.75x = 161,907,454,157.62
  5. Step 5: Solve for x
    x = 161,907,454,157.62/605,022.75
  6. Step 6: Final answer
    x = 267,605.56

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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.