Finding the Fourth Proportional to 1,515,886.66, 2,091,868.77 and 836,808.58
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Solution
The fourth proportional to 1,515,886.66, 2,091,868.77 and 836,808.58 is: 1,154,765.58
Step by Step Solution
- Step 1: Write the proportion equation
1,515,886.66 : 2,091,868.77 = 836,808.58 : x - Step 2: Convert to fraction form
1,515,886.66/2,091,868.77 = 836,808.58/x - Step 3: Cross multiply
1,515,886.66x = 2,091,868.77 × 836,808.58 - Step 4: Simplify right side
1,515,886.66x = 1,750,493,734,970.05 - Step 5: Solve for x
x = 1,750,493,734,970.05/1,515,886.66 - Step 6: Final answer
x = 1,154,765.58
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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.