Finding the Fourth Proportional to 1,444,329.80, 1,995,251.29 and 1,153,559.60
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Solution
The fourth proportional to 1,444,329.80, 1,995,251.29 and 1,153,559.60 is: 1,593,570.45
Step by Step Solution
- Step 1: Write the proportion equation
1,444,329.80 : 1,995,251.29 = 1,153,559.60 : x - Step 2: Convert to fraction form
1,444,329.80/1,995,251.29 = 1,153,559.60/x - Step 3: Cross multiply
1,444,329.80x = 1,995,251.29 × 1,153,559.60 - Step 4: Simplify right side
1,444,329.80x = 2,301,641,279,991.88 - Step 5: Solve for x
x = 2,301,641,279,991.88/1,444,329.80 - Step 6: Final answer
x = 1,593,570.45
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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.