Finding the Fourth Proportional to 1,354,908.47, 1,869,638.96 and 782,133.17
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Solution
The fourth proportional to 1,354,908.47, 1,869,638.96 and 782,133.17 is: 1,079,266.00
Step by Step Solution
- Step 1: Write the proportion equation
1,354,908.47 : 1,869,638.96 = 782,133.17 : x - Step 2: Convert to fraction form
1,354,908.47/1,869,638.96 = 782,133.17/x - Step 3: Cross multiply
1,354,908.47x = 1,869,638.96 × 782,133.17 - Step 4: Simplify right side
1,354,908.47x = 1,462,306,639,147.44 - Step 5: Solve for x
x = 1,462,306,639,147.44/1,354,908.47 - Step 6: Final answer
x = 1,079,266.00
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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.