Finding the Fourth Proportional to 1,256,664.46, 1,734,214.70 and 683,705.09
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Solution
The fourth proportional to 1,256,664.46, 1,734,214.70 and 683,705.09 is: 943,522.68
Step by Step Solution
- Step 1: Write the proportion equation
1,256,664.46 : 1,734,214.70 = 683,705.09 : x - Step 2: Convert to fraction form
1,256,664.46/1,734,214.70 = 683,705.09/x - Step 3: Cross multiply
1,256,664.46x = 1,734,214.70 × 683,705.09 - Step 4: Simplify right side
1,256,664.46x = 1,185,691,410,581.01 - Step 5: Solve for x
x = 1,185,691,410,581.01/1,256,664.46 - Step 6: Final answer
x = 943,522.68
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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.