Home / 419,310.84-629,063.46-119,795.52

Finding the Fourth Proportional to 419,310.84, 629,063.46 and 119,795.52

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Solution

The fourth proportional to 419,310.84, 629,063.46 and 119,795.52 is: 179,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,310.84 : 629,063.46 = 119,795.52 : x
  2. Step 2: Convert to fraction form
    419,310.84/629,063.46 = 119,795.52/x
  3. Step 3: Cross multiply
    419,310.84x = 629,063.46 × 119,795.52
  4. Step 4: Simplify right side
    419,310.84x = 75,358,984,303.70
  5. Step 5: Solve for x
    x = 75,358,984,303.70/419,310.84
  6. Step 6: Final answer
    x = 179,721.05

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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.