Finding the Fourth Proportional to 1,856,403.77, 2,783,905.71 and 776,991.08
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Solution
The fourth proportional to 1,856,403.77, 2,783,905.71 and 776,991.08 is: 1,165,193.67
Step by Step Solution
- Step 1: Write the proportion equation
1,856,403.77 : 2,783,905.71 = 776,991.08 : x - Step 2: Convert to fraction form
1,856,403.77/2,783,905.71 = 776,991.08/x - Step 3: Cross multiply
1,856,403.77x = 2,783,905.71 × 776,991.08 - Step 4: Simplify right side
1,856,403.77x = 2,163,069,908,277.11 - Step 5: Solve for x
x = 2,163,069,908,277.11/1,856,403.77 - Step 6: Final answer
x = 1,165,193.67
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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.