Finding the Fourth Proportional to 1,691,850.12, 2,334,764.68 and 927,909.14
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Solution
The fourth proportional to 1,691,850.12, 2,334,764.68 and 927,909.14 is: 1,280,520.93
Step by Step Solution
- Step 1: Write the proportion equation
1,691,850.12 : 2,334,764.68 = 927,909.14 : x - Step 2: Convert to fraction form
1,691,850.12/2,334,764.68 = 927,909.14/x - Step 3: Cross multiply
1,691,850.12x = 2,334,764.68 × 927,909.14 - Step 4: Simplify right side
1,691,850.12x = 2,166,449,486,321.18 - Step 5: Solve for x
x = 2,166,449,486,321.18/1,691,850.12 - Step 6: Final answer
x = 1,280,520.93
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1.5x scale
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.