Finding the Fourth Proportional to 1,968,664.63, 2,953,243.19 and 770,432.17
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Solution
The fourth proportional to 1,968,664.63, 2,953,243.19 and 770,432.17 is: 1,155,744.62
Step by Step Solution
- Step 1: Write the proportion equation
1,968,664.63 : 2,953,243.19 = 770,432.17 : x - Step 2: Convert to fraction form
1,968,664.63/2,953,243.19 = 770,432.17/x - Step 3: Cross multiply
1,968,664.63x = 2,953,243.19 × 770,432.17 - Step 4: Simplify right side
1,968,664.63x = 2,275,273,559,409.42 - Step 5: Solve for x
x = 2,275,273,559,409.42/1,968,664.63 - Step 6: Final answer
x = 1,155,744.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.