Home / 919,603.84-1,379,405.76-254,738.56

Finding the Fourth Proportional to 919,603.84, 1,379,405.76 and 254,738.56

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Solution

The fourth proportional to 919,603.84, 1,379,405.76 and 254,738.56 is: 382,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,603.84 : 1,379,405.76 = 254,738.56 : x
  2. Step 2: Convert to fraction form
    919,603.84/1,379,405.76 = 254,738.56/x
  3. Step 3: Cross multiply
    919,603.84x = 1,379,405.76 × 254,738.56
  4. Step 4: Simplify right side
    919,603.84x = 351,387,836,958.11
  5. Step 5: Solve for x
    x = 351,387,836,958.11/919,603.84
  6. Step 6: Final answer
    x = 382,107.84

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1.5x scale

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.