Finding the Fourth Proportional to 1,643,593.24, 2,268,857.24 and 999,219.20
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Solution
The fourth proportional to 1,643,593.24, 2,268,857.24 and 999,219.20 is: 1,379,347.19
Step by Step Solution
- Step 1: Write the proportion equation
1,643,593.24 : 2,268,857.24 = 999,219.20 : x - Step 2: Convert to fraction form
1,643,593.24/2,268,857.24 = 999,219.20/x - Step 3: Cross multiply
1,643,593.24x = 2,268,857.24 × 999,219.20 - Step 4: Simplify right side
1,643,593.24x = 2,267,085,716,267.01 - Step 5: Solve for x
x = 2,267,085,716,267.01/1,643,593.24 - Step 6: Final answer
x = 1,379,347.19
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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.