Home / 1,277,661.26-1,916,756.40-519,502.82

Finding the Fourth Proportional to 1,277,661.26, 1,916,756.40 and 519,502.82

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Solution

The fourth proportional to 1,277,661.26, 1,916,756.40 and 519,502.82 is: 779,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,661.26 : 1,916,756.40 = 519,502.82 : x
  2. Step 2: Convert to fraction form
    1,277,661.26/1,916,756.40 = 519,502.82/x
  3. Step 3: Cross multiply
    1,277,661.26x = 1,916,756.40 × 519,502.82
  4. Step 4: Simplify right side
    1,277,661.26x = 995,760,355,053.05
  5. Step 5: Solve for x
    x = 995,760,355,053.05/1,277,661.26
  6. Step 6: Final answer
    x = 779,361.78

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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.