Home / 1,277,896.23-1,763,501.84-697,131.78

Finding the Fourth Proportional to 1,277,896.23, 1,763,501.84 and 697,131.78

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Solution

The fourth proportional to 1,277,896.23, 1,763,501.84 and 697,131.78 is: 962,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,896.23 : 1,763,501.84 = 697,131.78 : x
  2. Step 2: Convert to fraction form
    1,277,896.23/1,763,501.84 = 697,131.78/x
  3. Step 3: Cross multiply
    1,277,896.23x = 1,763,501.84 × 697,131.78
  4. Step 4: Simplify right side
    1,277,896.23x = 1,229,393,172,728.16
  5. Step 5: Solve for x
    x = 1,229,393,172,728.16/1,277,896.23
  6. Step 6: Final answer
    x = 962,044.60

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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.