Home / 814,516.28-1,221,283.55-365,155.88

Finding the Fourth Proportional to 814,516.28, 1,221,283.55 and 365,155.88

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Solution

The fourth proportional to 814,516.28, 1,221,283.55 and 365,155.88 is: 547,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,516.28 : 1,221,283.55 = 365,155.88 : x
  2. Step 2: Convert to fraction form
    814,516.28/1,221,283.55 = 365,155.88/x
  3. Step 3: Cross multiply
    814,516.28x = 1,221,283.55 × 365,155.88
  4. Step 4: Simplify right side
    814,516.28x = 445,958,864,236.25
  5. Step 5: Solve for x
    x = 445,958,864,236.25/814,516.28
  6. Step 6: Final answer
    x = 547,513.76

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1.5x scale

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.