Home / 1,629,783.74-2,444,721.86-431,706.17

Finding the Fourth Proportional to 1,629,783.74, 2,444,721.86 and 431,706.17

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Solution

The fourth proportional to 1,629,783.74, 2,444,721.86 and 431,706.17 is: 647,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,783.74 : 2,444,721.86 = 431,706.17 : x
  2. Step 2: Convert to fraction form
    1,629,783.74/2,444,721.86 = 431,706.17/x
  3. Step 3: Cross multiply
    1,629,783.74x = 2,444,721.86 × 431,706.17
  4. Step 4: Simplify right side
    1,629,783.74x = 1,055,401,496,513.74
  5. Step 5: Solve for x
    x = 1,055,401,496,513.74/1,629,783.74
  6. Step 6: Final answer
    x = 647,571.50

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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.