Home / 814,150.94-1,123,662.84-451,691.57

Finding the Fourth Proportional to 814,150.94, 1,123,662.84 and 451,691.57

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Solution

The fourth proportional to 814,150.94, 1,123,662.84 and 451,691.57 is: 623,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,150.94 : 1,123,662.84 = 451,691.57 : x
  2. Step 2: Convert to fraction form
    814,150.94/1,123,662.84 = 451,691.57/x
  3. Step 3: Cross multiply
    814,150.94x = 1,123,662.84 × 451,691.57
  4. Step 4: Simplify right side
    814,150.94x = 507,549,032,350.26
  5. Step 5: Solve for x
    x = 507,549,032,350.26/814,150.94
  6. Step 6: Final answer
    x = 623,409.01

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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.