Finding the Fourth Proportional to 1,639,124.14, 2,457,283.79 and 628,970.98
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Solution
The fourth proportional to 1,639,124.14, 2,457,283.79 and 628,970.98 is: 942,918.33
Step by Step Solution
- Step 1: Write the proportion equation
1,639,124.14 : 2,457,283.79 = 628,970.98 : x - Step 2: Convert to fraction form
1,639,124.14/2,457,283.79 = 628,970.98/x - Step 3: Cross multiply
1,639,124.14x = 2,457,283.79 × 628,970.98 - Step 4: Simplify right side
1,639,124.14x = 1,545,560,188,963.63 - Step 5: Solve for x
x = 1,545,560,188,963.63/1,639,124.14 - Step 6: Final answer
x = 942,918.33
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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.