Home / 1,338,784.82-1,847,066.81-855,628.73

Finding the Fourth Proportional to 1,338,784.82, 1,847,066.81 and 855,628.73

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Solution

The fourth proportional to 1,338,784.82, 1,847,066.81 and 855,628.73 is: 1,180,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,784.82 : 1,847,066.81 = 855,628.73 : x
  2. Step 2: Convert to fraction form
    1,338,784.82/1,847,066.81 = 855,628.73/x
  3. Step 3: Cross multiply
    1,338,784.82x = 1,847,066.81 × 855,628.73
  4. Step 4: Simplify right side
    1,338,784.82x = 1,580,403,415,351.97
  5. Step 5: Solve for x
    x = 1,580,403,415,351.97/1,338,784.82
  6. Step 6: Final answer
    x = 1,180,476.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.