Home / 1,429,515.31-2,142,611.32-530,383.54

Finding the Fourth Proportional to 1,429,515.31, 2,142,611.32 and 530,383.54

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Solution

The fourth proportional to 1,429,515.31, 2,142,611.32 and 530,383.54 is: 794,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,515.31 : 2,142,611.32 = 530,383.54 : x
  2. Step 2: Convert to fraction form
    1,429,515.31/2,142,611.32 = 530,383.54/x
  3. Step 3: Cross multiply
    1,429,515.31x = 2,142,611.32 × 530,383.54
  4. Step 4: Simplify right side
    1,429,515.31x = 1,136,405,763,380.70
  5. Step 5: Solve for x
    x = 1,136,405,763,380.70/1,429,515.31
  6. Step 6: Final answer
    x = 794,958.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.