Home / 1,010,839.44-1,394,921.88-558,120.72

Finding the Fourth Proportional to 1,010,839.44, 1,394,921.88 and 558,120.72

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Solution

The fourth proportional to 1,010,839.44, 1,394,921.88 and 558,120.72 is: 770,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,839.44 : 1,394,921.88 = 558,120.72 : x
  2. Step 2: Convert to fraction form
    1,010,839.44/1,394,921.88 = 558,120.72/x
  3. Step 3: Cross multiply
    1,010,839.44x = 1,394,921.88 × 558,120.72
  4. Step 4: Simplify right side
    1,010,839.44x = 778,534,804,009.35
  5. Step 5: Solve for x
    x = 778,534,804,009.35/1,010,839.44
  6. Step 6: Final answer
    x = 770,186.41

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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.