Finding the Fourth Proportional to 1,131,602.06, 1,561,579.70 and 622,304.44
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Solution
The fourth proportional to 1,131,602.06, 1,561,579.70 and 622,304.44 is: 858,763.00
Step by Step Solution
- Step 1: Write the proportion equation
1,131,602.06 : 1,561,579.70 = 622,304.44 : x - Step 2: Convert to fraction form
1,131,602.06/1,561,579.70 = 622,304.44/x - Step 3: Cross multiply
1,131,602.06x = 1,561,579.70 × 622,304.44 - Step 4: Simplify right side
1,131,602.06x = 971,777,980,723.87 - Step 5: Solve for x
x = 971,777,980,723.87/1,131,602.06 - Step 6: Final answer
x = 858,763.00
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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.