Home / 484,942.84-669,162.27-278,200.51

Finding the Fourth Proportional to 484,942.84, 669,162.27 and 278,200.51

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Solution

The fourth proportional to 484,942.84, 669,162.27 and 278,200.51 is: 383,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,942.84 : 669,162.27 = 278,200.51 : x
  2. Step 2: Convert to fraction form
    484,942.84/669,162.27 = 278,200.51/x
  3. Step 3: Cross multiply
    484,942.84x = 669,162.27 × 278,200.51
  4. Step 4: Simplify right side
    484,942.84x = 186,161,284,786.76
  5. Step 5: Solve for x
    x = 186,161,284,786.76/484,942.84
  6. Step 6: Final answer
    x = 383,882.94

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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.