Home / 814,189.50-1,123,586.96-451,619.53

Finding the Fourth Proportional to 814,189.50, 1,123,586.96 and 451,619.53

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Solution

The fourth proportional to 814,189.50, 1,123,586.96 and 451,619.53 is: 623,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,189.50 : 1,123,586.96 = 451,619.53 : x
  2. Step 2: Convert to fraction form
    814,189.50/1,123,586.96 = 451,619.53/x
  3. Step 3: Cross multiply
    814,189.50x = 1,123,586.96 × 451,619.53
  4. Step 4: Simplify right side
    814,189.50x = 507,433,809,722.26
  5. Step 5: Solve for x
    x = 507,433,809,722.26/814,189.50
  6. Step 6: Final answer
    x = 623,237.97

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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.