Home / 1,138,326.47-1,570,913.06-622,112.33

Finding the Fourth Proportional to 1,138,326.47, 1,570,913.06 and 622,112.33

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Solution

The fourth proportional to 1,138,326.47, 1,570,913.06 and 622,112.33 is: 858,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,326.47 : 1,570,913.06 = 622,112.33 : x
  2. Step 2: Convert to fraction form
    1,138,326.47/1,570,913.06 = 622,112.33/x
  3. Step 3: Cross multiply
    1,138,326.47x = 1,570,913.06 × 622,112.33
  4. Step 4: Simplify right side
    1,138,326.47x = 977,284,383,984.03
  5. Step 5: Solve for x
    x = 977,284,383,984.03/1,138,326.47
  6. Step 6: Final answer
    x = 858,527.33

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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.