Finding the Fourth Proportional to 1,236,709.14, 1,706,654.84 and 685,460.04
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Solution
The fourth proportional to 1,236,709.14, 1,706,654.84 and 685,460.04 is: 945,932.76
Step by Step Solution
- Step 1: Write the proportion equation
1,236,709.14 : 1,706,654.84 = 685,460.04 : x - Step 2: Convert to fraction form
1,236,709.14/1,706,654.84 = 685,460.04/x - Step 3: Cross multiply
1,236,709.14x = 1,706,654.84 × 685,460.04 - Step 4: Simplify right side
1,236,709.14x = 1,169,843,694,892.59 - Step 5: Solve for x
x = 1,169,843,694,892.59/1,236,709.14 - Step 6: Final answer
x = 945,932.76
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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.