Finding the Fourth Proportional to 1,589,777.53, 2,193,908.87 and 864,641.23
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Solution
The fourth proportional to 1,589,777.53, 2,193,908.87 and 864,641.23 is: 1,193,213.54
Step by Step Solution
- Step 1: Write the proportion equation
1,589,777.53 : 2,193,908.87 = 864,641.23 : x - Step 2: Convert to fraction form
1,589,777.53/2,193,908.87 = 864,641.23/x - Step 3: Cross multiply
1,589,777.53x = 2,193,908.87 × 864,641.23 - Step 4: Simplify right side
1,589,777.53x = 1,896,944,070,450.39 - Step 5: Solve for x
x = 1,896,944,070,450.39/1,589,777.53 - Step 6: Final answer
x = 1,193,213.54
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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.