Finding the Fourth Proportional to 1,623,292.14, 2,240,209.20 and 898,128.09
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Solution
The fourth proportional to 1,623,292.14, 2,240,209.20 and 898,128.09 is: 1,239,453.31
Step by Step Solution
- Step 1: Write the proportion equation
1,623,292.14 : 2,240,209.20 = 898,128.09 : x - Step 2: Convert to fraction form
1,623,292.14/2,240,209.20 = 898,128.09/x - Step 3: Cross multiply
1,623,292.14x = 2,240,209.20 × 898,128.09 - Step 4: Simplify right side
1,623,292.14x = 2,011,994,809,996.43 - Step 5: Solve for x
x = 2,011,994,809,996.43/1,623,292.14 - Step 6: Final answer
x = 1,239,453.31
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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.