Home / 814,140.36-1,123,513.92-451,551.96

Finding the Fourth Proportional to 814,140.36, 1,123,513.92 and 451,551.96

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Solution

The fourth proportional to 814,140.36, 1,123,513.92 and 451,551.96 is: 623,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,140.36 : 1,123,513.92 = 451,551.96 : x
  2. Step 2: Convert to fraction form
    814,140.36/1,123,513.92 = 451,551.96/x
  3. Step 3: Cross multiply
    814,140.36x = 1,123,513.92 × 451,551.96
  4. Step 4: Simplify right side
    814,140.36x = 507,324,912,663.28
  5. Step 5: Solve for x
    x = 507,324,912,663.28/814,140.36
  6. Step 6: Final answer
    x = 623,141.83

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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.