Finding the Fourth Proportional to 1,372,365.13, 1,893,643.41 and 862,706.65
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Solution
The fourth proportional to 1,372,365.13, 1,893,643.41 and 862,706.65 is: 1,190,396.58
Step by Step Solution
- Step 1: Write the proportion equation
1,372,365.13 : 1,893,643.41 = 862,706.65 : x - Step 2: Convert to fraction form
1,372,365.13/1,893,643.41 = 862,706.65/x - Step 3: Cross multiply
1,372,365.13x = 1,893,643.41 × 862,706.65 - Step 4: Simplify right side
1,372,365.13x = 1,633,658,762,535.68 - Step 5: Solve for x
x = 1,633,658,762,535.68/1,372,365.13 - Step 6: Final answer
x = 1,190,396.58
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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.