Home / 460,043.27-690,025.26-280,082.10

Finding the Fourth Proportional to 460,043.27, 690,025.26 and 280,082.10

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Solution

The fourth proportional to 460,043.27, 690,025.26 and 280,082.10 is: 420,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,043.27 : 690,025.26 = 280,082.10 : x
  2. Step 2: Convert to fraction form
    460,043.27/690,025.26 = 280,082.10/x
  3. Step 3: Cross multiply
    460,043.27x = 690,025.26 × 280,082.10
  4. Step 4: Simplify right side
    460,043.27x = 193,263,723,873.85
  5. Step 5: Solve for x
    x = 193,263,723,873.85/460,043.27
  6. Step 6: Final answer
    x = 420,099.01

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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.