Home / 939,584.08-1,296,690.60-531,685.36

Finding the Fourth Proportional to 939,584.08, 1,296,690.60 and 531,685.36

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Solution

The fourth proportional to 939,584.08, 1,296,690.60 and 531,685.36 is: 733,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,584.08 : 1,296,690.60 = 531,685.36 : x
  2. Step 2: Convert to fraction form
    939,584.08/1,296,690.60 = 531,685.36/x
  3. Step 3: Cross multiply
    939,584.08x = 1,296,690.60 × 531,685.36
  4. Step 4: Simplify right side
    939,584.08x = 689,431,408,469.62
  5. Step 5: Solve for x
    x = 689,431,408,469.62/939,584.08
  6. Step 6: Final answer
    x = 733,762.33

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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.