Home / 939,808.95-1,296,877.32-531,993.59

Finding the Fourth Proportional to 939,808.95, 1,296,877.32 and 531,993.59

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Solution

The fourth proportional to 939,808.95, 1,296,877.32 and 531,993.59 is: 734,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,808.95 : 1,296,877.32 = 531,993.59 : x
  2. Step 2: Convert to fraction form
    939,808.95/1,296,877.32 = 531,993.59/x
  3. Step 3: Cross multiply
    939,808.95x = 1,296,877.32 × 531,993.59
  4. Step 4: Simplify right side
    939,808.95x = 689,930,414,771.99
  5. Step 5: Solve for x
    x = 689,930,414,771.99/939,808.95
  6. Step 6: Final answer
    x = 734,117.73

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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.