Finding the Fourth Proportional to 1,104,530.76, 1,524,261.51 and 621,091.68
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Solution
The fourth proportional to 1,104,530.76, 1,524,261.51 and 621,091.68 is: 857,111.61
Step by Step Solution
- Step 1: Write the proportion equation
1,104,530.76 : 1,524,261.51 = 621,091.68 : x - Step 2: Convert to fraction form
1,104,530.76/1,524,261.51 = 621,091.68/x - Step 3: Cross multiply
1,104,530.76x = 1,524,261.51 × 621,091.68 - Step 4: Simplify right side
1,104,530.76x = 946,706,142,005.24 - Step 5: Solve for x
x = 946,706,142,005.24/1,104,530.76 - Step 6: Final answer
x = 857,111.61
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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.