Finding the Fourth Proportional to 1,430,892.96, 1,974,201.66 and 857,724
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Solution
The fourth proportional to 1,430,892.96, 1,974,201.66 and 857,724 is: 1,183,400.99
Step by Step Solution
- Step 1: Write the proportion equation
1,430,892.96 : 1,974,201.66 = 857,724 : x - Step 2: Convert to fraction form
1,430,892.96/1,974,201.66 = 857,724/x - Step 3: Cross multiply
1,430,892.96x = 1,974,201.66 × 857,724 - Step 4: Simplify right side
1,430,892.96x = 1,693,320,144,621.84 - Step 5: Solve for x
x = 1,693,320,144,621.84/1,430,892.96 - Step 6: Final answer
x = 1,183,400.99
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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.