Finding the Fourth Proportional to 1,114,239.11, 1,539,041.45 and 859,213.04
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Solution
The fourth proportional to 1,114,239.11, 1,539,041.45 and 859,213.04 is: 1,186,786.99
Step by Step Solution
- Step 1: Write the proportion equation
1,114,239.11 : 1,539,041.45 = 859,213.04 : x - Step 2: Convert to fraction form
1,114,239.11/1,539,041.45 = 859,213.04/x - Step 3: Cross multiply
1,114,239.11x = 1,539,041.45 × 859,213.04 - Step 4: Simplify right side
1,114,239.11x = 1,322,364,470,949.24 - Step 5: Solve for x
x = 1,322,364,470,949.24/1,114,239.11 - Step 6: Final answer
x = 1,186,786.99
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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.