Home / 946,315.26-1,419,492.54-339,143.04

Finding the Fourth Proportional to 946,315.26, 1,419,492.54 and 339,143.04

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Solution

The fourth proportional to 946,315.26, 1,419,492.54 and 339,143.04 is: 508,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,315.26 : 1,419,492.54 = 339,143.04 : x
  2. Step 2: Convert to fraction form
    946,315.26/1,419,492.54 = 339,143.04/x
  3. Step 3: Cross multiply
    946,315.26x = 1,419,492.54 × 339,143.04
  4. Step 4: Simplify right side
    946,315.26x = 481,411,015,272.92
  5. Step 5: Solve for x
    x = 481,411,015,272.92/946,315.26
  6. Step 6: Final answer
    x = 508,721.60

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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.