Home / 946,138.49-1,419,834.53-519,971.94

Finding the Fourth Proportional to 946,138.49, 1,419,834.53 and 519,971.94

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Solution

The fourth proportional to 946,138.49, 1,419,834.53 and 519,971.94 is: 780,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,138.49 : 1,419,834.53 = 519,971.94 : x
  2. Step 2: Convert to fraction form
    946,138.49/1,419,834.53 = 519,971.94/x
  3. Step 3: Cross multiply
    946,138.49x = 1,419,834.53 × 519,971.94
  4. Step 4: Simplify right side
    946,138.49x = 738,274,112,443.23
  5. Step 5: Solve for x
    x = 738,274,112,443.23/946,138.49
  6. Step 6: Final answer
    x = 780,302.38

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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.