Finding the Fourth Proportional to 1,252,946.59, 1,728,816.18 and 762,587.68
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Solution
The fourth proportional to 1,252,946.59, 1,728,816.18 and 762,587.68 is: 1,052,218.77
Step by Step Solution
- Step 1: Write the proportion equation
1,252,946.59 : 1,728,816.18 = 762,587.68 : x - Step 2: Convert to fraction form
1,252,946.59/1,728,816.18 = 762,587.68/x - Step 3: Cross multiply
1,252,946.59x = 1,728,816.18 × 762,587.68 - Step 4: Simplify right side
1,252,946.59x = 1,318,373,919,852.66 - Step 5: Solve for x
x = 1,318,373,919,852.66/1,252,946.59 - Step 6: Final answer
x = 1,052,218.77
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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.