Finding the Fourth Proportional to 1,228,857.44, 1,695,655.88 and 684,928.68
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Solution
The fourth proportional to 1,228,857.44, 1,695,655.88 and 684,928.68 is: 945,108.28
Step by Step Solution
- Step 1: Write the proportion equation
1,228,857.44 : 1,695,655.88 = 684,928.68 : x - Step 2: Convert to fraction form
1,228,857.44/1,695,655.88 = 684,928.68/x - Step 3: Cross multiply
1,228,857.44x = 1,695,655.88 × 684,928.68 - Step 4: Simplify right side
1,228,857.44x = 1,161,403,343,622.64 - Step 5: Solve for x
x = 1,161,403,343,622.64/1,228,857.44 - Step 6: Final answer
x = 945,108.28
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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.