Home / 1,010,858.46-1,394,648.88-666,865.26

Finding the Fourth Proportional to 1,010,858.46, 1,394,648.88 and 666,865.26

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Solution

The fourth proportional to 1,010,858.46, 1,394,648.88 and 666,865.26 is: 920,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,858.46 : 1,394,648.88 = 666,865.26 : x
  2. Step 2: Convert to fraction form
    1,010,858.46/1,394,648.88 = 666,865.26/x
  3. Step 3: Cross multiply
    1,010,858.46x = 1,394,648.88 × 666,865.26
  4. Step 4: Simplify right side
    1,010,858.46x = 930,042,887,969.91
  5. Step 5: Solve for x
    x = 930,042,887,969.91/1,010,858.46
  6. Step 6: Final answer
    x = 920,052.53

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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.