Home / 668,535.21-1,002,704.18-195,093.45

Finding the Fourth Proportional to 668,535.21, 1,002,704.18 and 195,093.45

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Solution

The fourth proportional to 668,535.21, 1,002,704.18 and 195,093.45 is: 292,611.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,535.21 : 1,002,704.18 = 195,093.45 : x
  2. Step 2: Convert to fraction form
    668,535.21/1,002,704.18 = 195,093.45/x
  3. Step 3: Cross multiply
    668,535.21x = 1,002,704.18 × 195,093.45
  4. Step 4: Simplify right side
    668,535.21x = 195,621,016,830.15
  5. Step 5: Solve for x
    x = 195,621,016,830.15/668,535.21
  6. Step 6: Final answer
    x = 292,611.39

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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.