Finding the Fourth Proportional to 1,190,584.11, 1,643,035.70 and 646,719.73
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Solution
The fourth proportional to 1,190,584.11, 1,643,035.70 and 646,719.73 is: 892,489.32
Step by Step Solution
- Step 1: Write the proportion equation
1,190,584.11 : 1,643,035.70 = 646,719.73 : x - Step 2: Convert to fraction form
1,190,584.11/1,643,035.70 = 646,719.73/x - Step 3: Cross multiply
1,190,584.11x = 1,643,035.70 × 646,719.73 - Step 4: Simplify right side
1,190,584.11x = 1,062,583,604,284.36 - Step 5: Solve for x
x = 1,062,583,604,284.36/1,190,584.11 - Step 6: Final answer
x = 892,489.32
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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.