Finding the Fourth Proportional to 1,256,176.05, 1,733,544.90 and 683,220.12
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Solution
The fourth proportional to 1,256,176.05, 1,733,544.90 and 683,220.12 is: 942,855.70
Step by Step Solution
- Step 1: Write the proportion equation
1,256,176.05 : 1,733,544.90 = 683,220.12 : x - Step 2: Convert to fraction form
1,256,176.05/1,733,544.90 = 683,220.12/x - Step 3: Cross multiply
1,256,176.05x = 1,733,544.90 × 683,220.12 - Step 4: Simplify right side
1,256,176.05x = 1,184,392,754,603.39 - Step 5: Solve for x
x = 1,184,392,754,603.39/1,256,176.05 - Step 6: Final answer
x = 942,855.70
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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.