Finding the Fourth Proportional to 1,104,828.96, 1,524,648.93 and 621,393.97
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Solution
The fourth proportional to 1,104,828.96, 1,524,648.93 and 621,393.97 is: 857,515.22
Step by Step Solution
- Step 1: Write the proportion equation
1,104,828.96 : 1,524,648.93 = 621,393.97 : x - Step 2: Convert to fraction form
1,104,828.96/1,524,648.93 = 621,393.97/x - Step 3: Cross multiply
1,104,828.96x = 1,524,648.93 × 621,393.97 - Step 4: Simplify right side
1,104,828.96x = 947,407,651,468.95 - Step 5: Solve for x
x = 947,407,651,468.95/1,104,828.96 - Step 6: Final answer
x = 857,515.22
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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.