Finding the Fourth Proportional to 1,583,967.28, 2,185,903.20 and 858,839.44
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Solution
The fourth proportional to 1,583,967.28, 2,185,903.20 and 858,839.44 is: 1,185,213.80
Step by Step Solution
- Step 1: Write the proportion equation
1,583,967.28 : 2,185,903.20 = 858,839.44 : x - Step 2: Convert to fraction form
1,583,967.28/2,185,903.20 = 858,839.44/x - Step 3: Cross multiply
1,583,967.28x = 2,185,903.20 × 858,839.44 - Step 4: Simplify right side
1,583,967.28x = 1,877,339,880,182.21 - Step 5: Solve for x
x = 1,877,339,880,182.21/1,583,967.28 - Step 6: Final answer
x = 1,185,213.80
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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.