Home / 1,277,986.63-1,763,626.51-697,222.81

Finding the Fourth Proportional to 1,277,986.63, 1,763,626.51 and 697,222.81

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Solution

The fourth proportional to 1,277,986.63, 1,763,626.51 and 697,222.81 is: 962,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,986.63 : 1,763,626.51 = 697,222.81 : x
  2. Step 2: Convert to fraction form
    1,277,986.63/1,763,626.51 = 697,222.81/x
  3. Step 3: Cross multiply
    1,277,986.63x = 1,763,626.51 × 697,222.81
  4. Step 4: Simplify right side
    1,277,986.63x = 1,229,640,618,788.45
  5. Step 5: Solve for x
    x = 1,229,640,618,788.45/1,277,986.63
  6. Step 6: Final answer
    x = 962,170.17

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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.