Home / 1,277,727.89-1,916,176.97-424,570.41

Finding the Fourth Proportional to 1,277,727.89, 1,916,176.97 and 424,570.41

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Solution

The fourth proportional to 1,277,727.89, 1,916,176.97 and 424,570.41 is: 636,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,727.89 : 1,916,176.97 = 424,570.41 : x
  2. Step 2: Convert to fraction form
    1,277,727.89/1,916,176.97 = 424,570.41/x
  3. Step 3: Cross multiply
    1,277,727.89x = 1,916,176.97 × 424,570.41
  4. Step 4: Simplify right side
    1,277,727.89x = 813,552,042,846.88
  5. Step 5: Solve for x
    x = 813,552,042,846.88/1,277,727.89
  6. Step 6: Final answer
    x = 636,717.76

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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.