Finding the Fourth Proportional to 1,589,806.64, 2,193,911.73 and 864,638.75
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Solution
The fourth proportional to 1,589,806.64, 2,193,911.73 and 864,638.75 is: 1,193,189.82
Step by Step Solution
- Step 1: Write the proportion equation
1,589,806.64 : 2,193,911.73 = 864,638.75 : x - Step 2: Convert to fraction form
1,589,806.64/2,193,911.73 = 864,638.75/x - Step 3: Cross multiply
1,589,806.64x = 2,193,911.73 × 864,638.75 - Step 4: Simplify right side
1,589,806.64x = 1,896,941,101,322.32 - Step 5: Solve for x
x = 1,896,941,101,322.32/1,589,806.64 - Step 6: Final answer
x = 1,193,189.82
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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.