Home / 1,277,990.91-1,763,633.16-697,212.27

Finding the Fourth Proportional to 1,277,990.91, 1,763,633.16 and 697,212.27

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Solution

The fourth proportional to 1,277,990.91, 1,763,633.16 and 697,212.27 is: 962,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,990.91 : 1,763,633.16 = 697,212.27 : x
  2. Step 2: Convert to fraction form
    1,277,990.91/1,763,633.16 = 697,212.27/x
  3. Step 3: Cross multiply
    1,277,990.91x = 1,763,633.16 × 697,212.27
  4. Step 4: Simplify right side
    1,277,990.91x = 1,229,626,683,339.96
  5. Step 5: Solve for x
    x = 1,229,626,683,339.96/1,277,990.91
  6. Step 6: Final answer
    x = 962,156.05

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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.