Finding the Fourth Proportional to 1,639,544.28, 2,459,131.65 and 441,554.28
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Solution
The fourth proportional to 1,639,544.28, 2,459,131.65 and 441,554.28 is: 662,281.66
Step by Step Solution
- Step 1: Write the proportion equation
1,639,544.28 : 2,459,131.65 = 441,554.28 : x - Step 2: Convert to fraction form
1,639,544.28/2,459,131.65 = 441,554.28/x - Step 3: Cross multiply
1,639,544.28x = 2,459,131.65 × 441,554.28 - Step 4: Simplify right side
1,639,544.28x = 1,085,840,105,140.96 - Step 5: Solve for x
x = 1,085,840,105,140.96/1,639,544.28 - Step 6: Final answer
x = 662,281.66
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1.5x scale
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.