Finding the Fourth Proportional to 1,974,328.11, 2,961,672.89 and 554,374.62
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Solution
The fourth proportional to 1,974,328.11, 2,961,672.89 and 554,374.62 is: 831,612.68
Step by Step Solution
- Step 1: Write the proportion equation
1,974,328.11 : 2,961,672.89 = 554,374.62 : x - Step 2: Convert to fraction form
1,974,328.11/2,961,672.89 = 554,374.62/x - Step 3: Cross multiply
1,974,328.11x = 2,961,672.89 × 554,374.62 - Step 4: Simplify right side
1,974,328.11x = 1,641,876,282,958.05 - Step 5: Solve for x
x = 1,641,876,282,958.05/1,974,328.11 - Step 6: Final answer
x = 831,612.68
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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.