Finding the Fourth Proportional to 1,529,824.80, 2,111,121.36 and 832,087.68
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Solution
The fourth proportional to 1,529,824.80, 2,111,121.36 and 832,087.68 is: 1,148,260.95
Step by Step Solution
- Step 1: Write the proportion equation
1,529,824.80 : 2,111,121.36 = 832,087.68 : x - Step 2: Convert to fraction form
1,529,824.80/2,111,121.36 = 832,087.68/x - Step 3: Cross multiply
1,529,824.80x = 2,111,121.36 × 832,087.68 - Step 4: Simplify right side
1,529,824.80x = 1,756,638,074,640.84 - Step 5: Solve for x
x = 1,756,638,074,640.84/1,529,824.80 - Step 6: Final answer
x = 1,148,260.95
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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.