Finding the Fourth Proportional to 1,170,214.70, 1,643,024.50 and 1,170,214.70
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Solution
The fourth proportional to 1,170,214.70, 1,643,024.50 and 1,170,214.70 is: 1,643,024.50
Step by Step Solution
- Step 1: Write the proportion equation
1,170,214.70 : 1,643,024.50 = 1,170,214.70 : x - Step 2: Convert to fraction form
1,170,214.70/1,643,024.50 = 1,170,214.70/x - Step 3: Cross multiply
1,170,214.70x = 1,643,024.50 × 1,170,214.70 - Step 4: Simplify right side
1,170,214.70x = 1,922,691,422,360.15 - Step 5: Solve for x
x = 1,922,691,422,360.15/1,170,214.70 - Step 6: Final answer
x = 1,643,024.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.