Home / 791,027.92-1,091,615.84-428,450.88

Finding the Fourth Proportional to 791,027.92, 1,091,615.84 and 428,450.88

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Solution

The fourth proportional to 791,027.92, 1,091,615.84 and 428,450.88 is: 591,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,027.92 : 1,091,615.84 = 428,450.88 : x
  2. Step 2: Convert to fraction form
    791,027.92/1,091,615.84 = 428,450.88/x
  3. Step 3: Cross multiply
    791,027.92x = 1,091,615.84 × 428,450.88
  4. Step 4: Simplify right side
    791,027.92x = 467,703,767,269.94
  5. Step 5: Solve for x
    x = 467,703,767,269.94/791,027.92
  6. Step 6: Final answer
    x = 591,260.76

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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.