Finding the Fourth Proportional to 1,247,705.84, 1,721,838 and 674,750
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Solution
The fourth proportional to 1,247,705.84, 1,721,838 and 674,750 is: 931,157.13
Step by Step Solution
- Step 1: Write the proportion equation
1,247,705.84 : 1,721,838 = 674,750 : x - Step 2: Convert to fraction form
1,247,705.84/1,721,838 = 674,750/x - Step 3: Cross multiply
1,247,705.84x = 1,721,838 × 674,750 - Step 4: Simplify right side
1,247,705.84x = 1,161,810,190,500 - Step 5: Solve for x
x = 1,161,810,190,500/1,247,705.84 - Step 6: Final answer
x = 931,157.13
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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.