Home / 370,431.59-511,197.17-200,665.72

Finding the Fourth Proportional to 370,431.59, 511,197.17 and 200,665.72

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Solution

The fourth proportional to 370,431.59, 511,197.17 and 200,665.72 is: 276,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,431.59 : 511,197.17 = 200,665.72 : x
  2. Step 2: Convert to fraction form
    370,431.59/511,197.17 = 200,665.72/x
  3. Step 3: Cross multiply
    370,431.59x = 511,197.17 × 200,665.72
  4. Step 4: Simplify right side
    370,431.59x = 102,579,745,898.69
  5. Step 5: Solve for x
    x = 102,579,745,898.69/370,431.59
  6. Step 6: Final answer
    x = 276,919.54

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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.