Home / 830,040.88-1,244,116.86-505,112.33

Finding the Fourth Proportional to 830,040.88, 1,244,116.86 and 505,112.33

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Solution

The fourth proportional to 830,040.88, 1,244,116.86 and 505,112.33 is: 757,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,040.88 : 1,244,116.86 = 505,112.33 : x
  2. Step 2: Convert to fraction form
    830,040.88/1,244,116.86 = 505,112.33/x
  3. Step 3: Cross multiply
    830,040.88x = 1,244,116.86 × 505,112.33
  4. Step 4: Simplify right side
    830,040.88x = 628,418,761,027.18
  5. Step 5: Solve for x
    x = 628,418,761,027.18/830,040.88
  6. Step 6: Final answer
    x = 757,093.75

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1.5x scale

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.