Home / 814,236.84-1,123,664.85-451,648.89

Finding the Fourth Proportional to 814,236.84, 1,123,664.85 and 451,648.89

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Solution

The fourth proportional to 814,236.84, 1,123,664.85 and 451,648.89 is: 623,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,236.84 : 1,123,664.85 = 451,648.89 : x
  2. Step 2: Convert to fraction form
    814,236.84/1,123,664.85 = 451,648.89/x
  3. Step 3: Cross multiply
    814,236.84x = 1,123,664.85 × 451,648.89
  4. Step 4: Simplify right side
    814,236.84x = 507,501,982,234.52
  5. Step 5: Solve for x
    x = 507,501,982,234.52/814,236.84
  6. Step 6: Final answer
    x = 623,285.46

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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.