Finding the Fourth Proportional to 1,104,849.88, 1,524,678.15 and 621,415.05
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Solution
The fourth proportional to 1,104,849.88, 1,524,678.15 and 621,415.05 is: 857,544.51
Step by Step Solution
- Step 1: Write the proportion equation
1,104,849.88 : 1,524,678.15 = 621,415.05 : x - Step 2: Convert to fraction form
1,104,849.88/1,524,678.15 = 621,415.05/x - Step 3: Cross multiply
1,104,849.88x = 1,524,678.15 × 621,415.05 - Step 4: Simplify right side
1,104,849.88x = 947,457,948,816.16 - Step 5: Solve for x
x = 947,457,948,816.16/1,104,849.88 - Step 6: Final answer
x = 857,544.51
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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.