Finding the Fourth Proportional to 1,439,823.06, 1,986,943.99 and 786,449.49
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Solution
The fourth proportional to 1,439,823.06, 1,986,943.99 and 786,449.49 is: 1,085,293.83
Step by Step Solution
- Step 1: Write the proportion equation
1,439,823.06 : 1,986,943.99 = 786,449.49 : x - Step 2: Convert to fraction form
1,439,823.06/1,986,943.99 = 786,449.49/x - Step 3: Cross multiply
1,439,823.06x = 1,986,943.99 × 786,449.49 - Step 4: Simplify right side
1,439,823.06x = 1,562,631,087,594.07 - Step 5: Solve for x
x = 1,562,631,087,594.07/1,439,823.06 - Step 6: Final answer
x = 1,085,293.83
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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.