Home / 1,277,536.93-1,916,705.03-378,983.39

Finding the Fourth Proportional to 1,277,536.93, 1,916,705.03 and 378,983.39

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Solution

The fourth proportional to 1,277,536.93, 1,916,705.03 and 378,983.39 is: 568,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,536.93 : 1,916,705.03 = 378,983.39 : x
  2. Step 2: Convert to fraction form
    1,277,536.93/1,916,705.03 = 378,983.39/x
  3. Step 3: Cross multiply
    1,277,536.93x = 1,916,705.03 × 378,983.39
  4. Step 4: Simplify right side
    1,277,536.93x = 726,399,358,421.01
  5. Step 5: Solve for x
    x = 726,399,358,421.01/1,277,536.93
  6. Step 6: Final answer
    x = 568,593.63

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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.