Home / 469,912.20-704,868.30-114,921.60

Finding the Fourth Proportional to 469,912.20, 704,868.30 and 114,921.60

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Solution

The fourth proportional to 469,912.20, 704,868.30 and 114,921.60 is: 172,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,912.20 : 704,868.30 = 114,921.60 : x
  2. Step 2: Convert to fraction form
    469,912.20/704,868.30 = 114,921.60/x
  3. Step 3: Cross multiply
    469,912.20x = 704,868.30 × 114,921.60
  4. Step 4: Simplify right side
    469,912.20x = 81,004,592,825.28
  5. Step 5: Solve for x
    x = 81,004,592,825.28/469,912.20
  6. Step 6: Final answer
    x = 172,382.40

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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.