Finding the Fourth Proportional to 1,905,901.44, 2,859,202.80 and 626,580.96
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Solution
The fourth proportional to 1,905,901.44, 2,859,202.80 and 626,580.96 is: 939,986.72
Step by Step Solution
- Step 1: Write the proportion equation
1,905,901.44 : 2,859,202.80 = 626,580.96 : x - Step 2: Convert to fraction form
1,905,901.44/2,859,202.80 = 626,580.96/x - Step 3: Cross multiply
1,905,901.44x = 2,859,202.80 × 626,580.96 - Step 4: Simplify right side
1,905,901.44x = 1,791,522,035,258.69 - Step 5: Solve for x
x = 1,791,522,035,258.69/1,905,901.44 - Step 6: Final answer
x = 939,986.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.