Finding the Fourth Proportional to 1,028,864.05, 1,419,817.05 and 569,977.68
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Solution
The fourth proportional to 1,028,864.05, 1,419,817.05 and 569,977.68 is: 786,560.70
Step by Step Solution
- Step 1: Write the proportion equation
1,028,864.05 : 1,419,817.05 = 569,977.68 : x - Step 2: Convert to fraction form
1,028,864.05/1,419,817.05 = 569,977.68/x - Step 3: Cross multiply
1,028,864.05x = 1,419,817.05 × 569,977.68 - Step 4: Simplify right side
1,028,864.05x = 809,264,028,183.44 - Step 5: Solve for x
x = 809,264,028,183.44/1,028,864.05 - Step 6: Final answer
x = 786,560.70
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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.