Home / 360,916.38-498,065.55-199,782.54

Finding the Fourth Proportional to 360,916.38, 498,065.55 and 199,782.54

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Solution

The fourth proportional to 360,916.38, 498,065.55 and 199,782.54 is: 275,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,916.38 : 498,065.55 = 199,782.54 : x
  2. Step 2: Convert to fraction form
    360,916.38/498,065.55 = 199,782.54/x
  3. Step 3: Cross multiply
    360,916.38x = 498,065.55 × 199,782.54
  4. Step 4: Simplify right side
    360,916.38x = 99,504,800,665.50
  5. Step 5: Solve for x
    x = 99,504,800,665.50/360,916.38
  6. Step 6: Final answer
    x = 275,700.43

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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.