Finding the Fourth Proportional to 1,107,118.36, 1,527,816.28 and 623,839.15
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Solution
The fourth proportional to 1,107,118.36, 1,527,816.28 and 623,839.15 is: 860,894.05
Step by Step Solution
- Step 1: Write the proportion equation
1,107,118.36 : 1,527,816.28 = 623,839.15 : x - Step 2: Convert to fraction form
1,107,118.36/1,527,816.28 = 623,839.15/x - Step 3: Cross multiply
1,107,118.36x = 1,527,816.28 × 623,839.15 - Step 4: Simplify right side
1,107,118.36x = 953,111,609,471.36 - Step 5: Solve for x
x = 953,111,609,471.36/1,107,118.36 - Step 6: Final answer
x = 860,894.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.