Finding the Fourth Proportional to 1,589,305.17, 2,193,268.55 and 864,157.79
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Solution
The fourth proportional to 1,589,305.17, 2,193,268.55 and 864,157.79 is: 1,192,552.65
Step by Step Solution
- Step 1: Write the proportion equation
1,589,305.17 : 2,193,268.55 = 864,157.79 : x - Step 2: Convert to fraction form
1,589,305.17/2,193,268.55 = 864,157.79/x - Step 3: Cross multiply
1,589,305.17x = 2,193,268.55 × 864,157.79 - Step 4: Simplify right side
1,589,305.17x = 1,895,330,087,757.37 - Step 5: Solve for x
x = 1,895,330,087,757.37/1,589,305.17 - Step 6: Final answer
x = 1,192,552.65
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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.