Finding the Fourth Proportional to 1,104,952.16, 1,524,968.70 and 621,537.68
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Solution
The fourth proportional to 1,104,952.16, 1,524,968.70 and 621,537.68 is: 857,797.78
Step by Step Solution
- Step 1: Write the proportion equation
1,104,952.16 : 1,524,968.70 = 621,537.68 : x - Step 2: Convert to fraction form
1,104,952.16/1,524,968.70 = 621,537.68/x - Step 3: Cross multiply
1,104,952.16x = 1,524,968.70 × 621,537.68 - Step 4: Simplify right side
1,104,952.16x = 947,825,507,870.62 - Step 5: Solve for x
x = 947,825,507,870.62/1,104,952.16 - Step 6: Final answer
x = 857,797.78
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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.