Home / 814,142.25-1,123,650.84-451,682.88

Finding the Fourth Proportional to 814,142.25, 1,123,650.84 and 451,682.88

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Solution

The fourth proportional to 814,142.25, 1,123,650.84 and 451,682.88 is: 623,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,142.25 : 1,123,650.84 = 451,682.88 : x
  2. Step 2: Convert to fraction form
    814,142.25/1,123,650.84 = 451,682.88/x
  3. Step 3: Cross multiply
    814,142.25x = 1,123,650.84 × 451,682.88
  4. Step 4: Simplify right side
    814,142.25x = 507,533,847,525.62
  5. Step 5: Solve for x
    x = 507,533,847,525.62/814,142.25
  6. Step 6: Final answer
    x = 623,397.01

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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.