Finding the Fourth Proportional to 961,639.71, 1,441,185.40 and 511,391.08
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Solution
The fourth proportional to 961,639.71, 1,441,185.40 and 511,391.08 is: 766,409.03
Step by Step Solution
- Step 1: Write the proportion equation
961,639.71 : 1,441,185.40 = 511,391.08 : x - Step 2: Convert to fraction form
961,639.71/1,441,185.40 = 511,391.08/x - Step 3: Cross multiply
961,639.71x = 1,441,185.40 × 511,391.08 - Step 4: Simplify right side
961,639.71x = 737,009,358,186.23 - Step 5: Solve for x
x = 737,009,358,186.23/961,639.71 - Step 6: Final answer
x = 766,409.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.