Finding the Fourth Proportional to 1,790,028.64, 2,685,039.70 and 528,742
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Solution
The fourth proportional to 1,790,028.64, 2,685,039.70 and 528,742 is: 793,112.04
Step by Step Solution
- Step 1: Write the proportion equation
1,790,028.64 : 2,685,039.70 = 528,742 : x - Step 2: Convert to fraction form
1,790,028.64/2,685,039.70 = 528,742/x - Step 3: Cross multiply
1,790,028.64x = 2,685,039.70 × 528,742 - Step 4: Simplify right side
1,790,028.64x = 1,419,693,261,057.40 - Step 5: Solve for x
x = 1,419,693,261,057.40/1,790,028.64 - Step 6: Final answer
x = 793,112.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.