Finding the Fourth Proportional to 681,878.12, 1,022,922.26 and 232,493.88
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Solution
The fourth proportional to 681,878.12, 1,022,922.26 and 232,493.88 is: 348,776.65
Step by Step Solution
- Step 1: Write the proportion equation
681,878.12 : 1,022,922.26 = 232,493.88 : x - Step 2: Convert to fraction form
681,878.12/1,022,922.26 = 232,493.88/x - Step 3: Cross multiply
681,878.12x = 1,022,922.26 × 232,493.88 - Step 4: Simplify right side
681,878.12x = 237,823,165,165.77 - Step 5: Solve for x
x = 237,823,165,165.77/681,878.12 - Step 6: Final answer
x = 348,776.65
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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.