Home / 814,383.20-1,123,855.60-451,830.84

Finding the Fourth Proportional to 814,383.20, 1,123,855.60 and 451,830.84

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Solution

The fourth proportional to 814,383.20, 1,123,855.60 and 451,830.84 is: 623,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,383.20 : 1,123,855.60 = 451,830.84 : x
  2. Step 2: Convert to fraction form
    814,383.20/1,123,855.60 = 451,830.84/x
  3. Step 3: Cross multiply
    814,383.20x = 1,123,855.60 × 451,830.84
  4. Step 4: Simplify right side
    814,383.20x = 507,792,619,786.70
  5. Step 5: Solve for x
    x = 507,792,619,786.70/814,383.20
  6. Step 6: Final answer
    x = 623,530.32

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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.