Finding the Fourth Proportional to 1,457,891.10, 2,186,688.99 and 393,040.80
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Solution
The fourth proportional to 1,457,891.10, 2,186,688.99 and 393,040.80 is: 589,521.39
Step by Step Solution
- Step 1: Write the proportion equation
1,457,891.10 : 2,186,688.99 = 393,040.80 : x - Step 2: Convert to fraction form
1,457,891.10/2,186,688.99 = 393,040.80/x - Step 3: Cross multiply
1,457,891.10x = 2,186,688.99 × 393,040.80 - Step 4: Simplify right side
1,457,891.10x = 859,457,989,980.79 - Step 5: Solve for x
x = 859,457,989,980.79/1,457,891.10 - Step 6: Final answer
x = 589,521.39
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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.