Home / 814,142.01-1,123,650.49-451,682.64

Finding the Fourth Proportional to 814,142.01, 1,123,650.49 and 451,682.64

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Solution

The fourth proportional to 814,142.01, 1,123,650.49 and 451,682.64 is: 623,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,142.01 : 1,123,650.49 = 451,682.64 : x
  2. Step 2: Convert to fraction form
    814,142.01/1,123,650.49 = 451,682.64/x
  3. Step 3: Cross multiply
    814,142.01x = 1,123,650.49 × 451,682.64
  4. Step 4: Simplify right side
    814,142.01x = 507,533,419,760.49
  5. Step 5: Solve for x
    x = 507,533,419,760.49/814,142.01
  6. Step 6: Final answer
    x = 623,396.67

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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.