Finding the Fourth Proportional to 1,163,917.35, 1,606,427.02 and 728,536.68
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Solution
The fourth proportional to 1,163,917.35, 1,606,427.02 and 728,536.68 is: 1,005,519.00
Step by Step Solution
- Step 1: Write the proportion equation
1,163,917.35 : 1,606,427.02 = 728,536.68 : x - Step 2: Convert to fraction form
1,163,917.35/1,606,427.02 = 728,536.68/x - Step 3: Cross multiply
1,163,917.35x = 1,606,427.02 × 728,536.68 - Step 4: Simplify right side
1,163,917.35x = 1,170,341,007,813.09 - Step 5: Solve for x
x = 1,170,341,007,813.09/1,163,917.35 - Step 6: Final answer
x = 1,005,519.00
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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.