Home / 1,277,967.81-1,916,623.53-379,196.94

Finding the Fourth Proportional to 1,277,967.81, 1,916,623.53 and 379,196.94

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Solution

The fourth proportional to 1,277,967.81, 1,916,623.53 and 379,196.94 is: 568,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,967.81 : 1,916,623.53 = 379,196.94 : x
  2. Step 2: Convert to fraction form
    1,277,967.81/1,916,623.53 = 379,196.94/x
  3. Step 3: Cross multiply
    1,277,967.81x = 1,916,623.53 × 379,196.94
  4. Step 4: Simplify right side
    1,277,967.81x = 726,777,777,708.00
  5. Step 5: Solve for x
    x = 726,777,777,708.00/1,277,967.81
  6. Step 6: Final answer
    x = 568,698.03

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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.