Home / 1,277,462.71-1,916,991.81-851,297.57

Finding the Fourth Proportional to 1,277,462.71, 1,916,991.81 and 851,297.57

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Solution

The fourth proportional to 1,277,462.71, 1,916,991.81 and 851,297.57 is: 1,277,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,462.71 : 1,916,991.81 = 851,297.57 : x
  2. Step 2: Convert to fraction form
    1,277,462.71/1,916,991.81 = 851,297.57/x
  3. Step 3: Cross multiply
    1,277,462.71x = 1,916,991.81 × 851,297.57
  4. Step 4: Simplify right side
    1,277,462.71x = 1,631,930,465,668.07
  5. Step 5: Solve for x
    x = 1,631,930,465,668.07/1,277,462.71
  6. Step 6: Final answer
    x = 1,277,477.97

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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.