Home / 764,067.84-1,054,479.36-424,604.16

Finding the Fourth Proportional to 764,067.84, 1,054,479.36 and 424,604.16

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Solution

The fourth proportional to 764,067.84, 1,054,479.36 and 424,604.16 is: 585,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,067.84 : 1,054,479.36 = 424,604.16 : x
  2. Step 2: Convert to fraction form
    764,067.84/1,054,479.36 = 424,604.16/x
  3. Step 3: Cross multiply
    764,067.84x = 1,054,479.36 × 424,604.16
  4. Step 4: Simplify right side
    764,067.84x = 447,736,322,890.14
  5. Step 5: Solve for x
    x = 447,736,322,890.14/764,067.84
  6. Step 6: Final answer
    x = 585,990.27

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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.