Finding the Fourth Proportional to 945,631.14, 1,304,969.49 and 515,911.11
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Solution
The fourth proportional to 945,631.14, 1,304,969.49 and 515,911.11 is: 711,956.52
Step by Step Solution
- Step 1: Write the proportion equation
945,631.14 : 1,304,969.49 = 515,911.11 : x - Step 2: Convert to fraction form
945,631.14/1,304,969.49 = 515,911.11/x - Step 3: Cross multiply
945,631.14x = 1,304,969.49 × 515,911.11 - Step 4: Simplify right side
945,631.14x = 673,248,258,102.03 - Step 5: Solve for x
x = 673,248,258,102.03/945,631.14 - Step 6: Final answer
x = 711,956.52
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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.