Finding the Fourth Proportional to 1,430,896.45, 1,974,206.49 and 857,727.49
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Solution
The fourth proportional to 1,430,896.45, 1,974,206.49 and 857,727.49 is: 1,183,405.81
Step by Step Solution
- Step 1: Write the proportion equation
1,430,896.45 : 1,974,206.49 = 857,727.49 : x - Step 2: Convert to fraction form
1,430,896.45/1,974,206.49 = 857,727.49/x - Step 3: Cross multiply
1,430,896.45x = 1,974,206.49 × 857,727.49 - Step 4: Simplify right side
1,430,896.45x = 1,693,331,177,409.41 - Step 5: Solve for x
x = 1,693,331,177,409.41/1,430,896.45 - Step 6: Final answer
x = 1,183,405.81
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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.