Finding the Fourth Proportional to 1,621,398.99, 2,237,531.09 and 886,356.46
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Solution
The fourth proportional to 1,621,398.99, 2,237,531.09 and 886,356.46 is: 1,223,172.17
Step by Step Solution
- Step 1: Write the proportion equation
1,621,398.99 : 2,237,531.09 = 886,356.46 : x - Step 2: Convert to fraction form
1,621,398.99/2,237,531.09 = 886,356.46/x - Step 3: Cross multiply
1,621,398.99x = 2,237,531.09 × 886,356.46 - Step 4: Simplify right side
1,621,398.99x = 1,983,250,120,452.90 - Step 5: Solve for x
x = 1,983,250,120,452.90/1,621,398.99 - Step 6: Final answer
x = 1,223,172.17
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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.