Home / 814,340.45-1,123,791.17-451,764.32

Finding the Fourth Proportional to 814,340.45, 1,123,791.17 and 451,764.32

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Solution

The fourth proportional to 814,340.45, 1,123,791.17 and 451,764.32 is: 623,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,340.45 : 1,123,791.17 = 451,764.32 : x
  2. Step 2: Convert to fraction form
    814,340.45/1,123,791.17 = 451,764.32/x
  3. Step 3: Cross multiply
    814,340.45x = 1,123,791.17 × 451,764.32
  4. Step 4: Simplify right side
    814,340.45x = 507,688,745,859.28
  5. Step 5: Solve for x
    x = 507,688,745,859.28/814,340.45
  6. Step 6: Final answer
    x = 623,435.50

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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.