Finding the Fourth Proportional to 749,069.75, 1,033,716.26 and 409,538
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Solution
The fourth proportional to 749,069.75, 1,033,716.26 and 409,538 is: 565,162.44
Step by Step Solution
- Step 1: Write the proportion equation
749,069.75 : 1,033,716.26 = 409,538 : x - Step 2: Convert to fraction form
749,069.75/1,033,716.26 = 409,538/x - Step 3: Cross multiply
749,069.75x = 1,033,716.26 × 409,538 - Step 4: Simplify right side
749,069.75x = 423,346,089,687.88 - Step 5: Solve for x
x = 423,346,089,687.88/749,069.75 - Step 6: Final answer
x = 565,162.44
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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.