Finding the Fourth Proportional to 1,515,890.58, 2,091,916.17 and 836,812.50
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Solution
The fourth proportional to 1,515,890.58, 2,091,916.17 and 836,812.50 is: 1,154,794.17
Step by Step Solution
- Step 1: Write the proportion equation
1,515,890.58 : 2,091,916.17 = 836,812.50 : x - Step 2: Convert to fraction form
1,515,890.58/2,091,916.17 = 836,812.50/x - Step 3: Cross multiply
1,515,890.58x = 2,091,916.17 × 836,812.50 - Step 4: Simplify right side
1,515,890.58x = 1,750,541,600,008.13 - Step 5: Solve for x
x = 1,750,541,600,008.13/1,515,890.58 - Step 6: Final answer
x = 1,154,794.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.