Finding the Fourth Proportional to 1,098,683.41, 1,646,032.14 and 811,206.97
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Solution
The fourth proportional to 1,098,683.41, 1,646,032.14 and 811,206.97 is: 1,215,338.95
Step by Step Solution
- Step 1: Write the proportion equation
1,098,683.41 : 1,646,032.14 = 811,206.97 : x - Step 2: Convert to fraction form
1,098,683.41/1,646,032.14 = 811,206.97/x - Step 3: Cross multiply
1,098,683.41x = 1,646,032.14 × 811,206.97 - Step 4: Simplify right side
1,098,683.41x = 1,335,272,744,812.02 - Step 5: Solve for x
x = 1,335,272,744,812.02/1,098,683.41 - Step 6: Final answer
x = 1,215,338.95
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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.