Finding the Fourth Proportional to 1,731,617.76, 2,389,518.26 and 996,453.23
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Solution
The fourth proportional to 1,731,617.76, 2,389,518.26 and 996,453.23 is: 1,375,039.71
Step by Step Solution
- Step 1: Write the proportion equation
1,731,617.76 : 2,389,518.26 = 996,453.23 : x - Step 2: Convert to fraction form
1,731,617.76/2,389,518.26 = 996,453.23/x - Step 3: Cross multiply
1,731,617.76x = 2,389,518.26 × 996,453.23 - Step 4: Simplify right side
1,731,617.76x = 2,381,043,195,289.38 - Step 5: Solve for x
x = 2,381,043,195,289.38/1,731,617.76 - Step 6: Final answer
x = 1,375,039.71
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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.