Home / 814,240.34-1,123,669.68-451,652.39

Finding the Fourth Proportional to 814,240.34, 1,123,669.68 and 451,652.39

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Solution

The fourth proportional to 814,240.34, 1,123,669.68 and 451,652.39 is: 623,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,240.34 : 1,123,669.68 = 451,652.39 : x
  2. Step 2: Convert to fraction form
    814,240.34/1,123,669.68 = 451,652.39/x
  3. Step 3: Cross multiply
    814,240.34x = 1,123,669.68 × 451,652.39
  4. Step 4: Simplify right side
    814,240.34x = 507,508,096,542.54
  5. Step 5: Solve for x
    x = 507,508,096,542.54/814,240.34
  6. Step 6: Final answer
    x = 623,290.29

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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.