Finding the Fourth Proportional to 1,759,329.54, 2,639,211.66 and 621,857.18
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Solution
The fourth proportional to 1,759,329.54, 2,639,211.66 and 621,857.18 is: 932,862.59
Step by Step Solution
- Step 1: Write the proportion equation
1,759,329.54 : 2,639,211.66 = 621,857.18 : x - Step 2: Convert to fraction form
1,759,329.54/2,639,211.66 = 621,857.18/x - Step 3: Cross multiply
1,759,329.54x = 2,639,211.66 × 621,857.18 - Step 4: Simplify right side
1,759,329.54x = 1,641,212,707,114.66 - Step 5: Solve for x
x = 1,641,212,707,114.66/1,759,329.54 - Step 6: Final answer
x = 932,862.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.