Finding the Fourth Proportional to 1,898,836.56, 2,848,247.64 and 776,905.20
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Solution
The fourth proportional to 1,898,836.56, 2,848,247.64 and 776,905.20 is: 1,165,354.85
Step by Step Solution
- Step 1: Write the proportion equation
1,898,836.56 : 2,848,247.64 = 776,905.20 : x - Step 2: Convert to fraction form
1,898,836.56/2,848,247.64 = 776,905.20/x - Step 3: Cross multiply
1,898,836.56x = 2,848,247.64 × 776,905.20 - Step 4: Simplify right side
1,898,836.56x = 2,212,818,402,403.73 - Step 5: Solve for x
x = 2,212,818,402,403.73/1,898,836.56 - Step 6: Final answer
x = 1,165,354.85
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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.