Home / 769,633.40-1,062,052.46-425,448.80

Finding the Fourth Proportional to 769,633.40, 1,062,052.46 and 425,448.80

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Solution

The fourth proportional to 769,633.40, 1,062,052.46 and 425,448.80 is: 587,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,633.40 : 1,062,052.46 = 425,448.80 : x
  2. Step 2: Convert to fraction form
    769,633.40/1,062,052.46 = 425,448.80/x
  3. Step 3: Cross multiply
    769,633.40x = 1,062,052.46 × 425,448.80
  4. Step 4: Simplify right side
    769,633.40x = 451,848,948,758.72
  5. Step 5: Solve for x
    x = 451,848,948,758.72/769,633.40
  6. Step 6: Final answer
    x = 587,096.34

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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.