Finding the Fourth Proportional to 1,430,147.26, 1,973,114.36 and 818,077.04
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Solution
The fourth proportional to 1,430,147.26, 1,973,114.36 and 818,077.04 is: 1,128,666.68
Step by Step Solution
- Step 1: Write the proportion equation
1,430,147.26 : 1,973,114.36 = 818,077.04 : x - Step 2: Convert to fraction form
1,430,147.26/1,973,114.36 = 818,077.04/x - Step 3: Cross multiply
1,430,147.26x = 1,973,114.36 × 818,077.04 - Step 4: Simplify right side
1,430,147.26x = 1,614,159,555,210.29 - Step 5: Solve for x
x = 1,614,159,555,210.29/1,430,147.26 - Step 6: Final answer
x = 1,128,666.68
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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.