Home / 831,174.24-1,147,025.70-449,200.12

Finding the Fourth Proportional to 831,174.24, 1,147,025.70 and 449,200.12

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Solution

The fourth proportional to 831,174.24, 1,147,025.70 and 449,200.12 is: 619,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,174.24 : 1,147,025.70 = 449,200.12 : x
  2. Step 2: Convert to fraction form
    831,174.24/1,147,025.70 = 449,200.12/x
  3. Step 3: Cross multiply
    831,174.24x = 1,147,025.70 × 449,200.12
  4. Step 4: Simplify right side
    831,174.24x = 515,244,082,083.08
  5. Step 5: Solve for x
    x = 515,244,082,083.08/831,174.24
  6. Step 6: Final answer
    x = 619,899.00

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1.5x scale

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.