Finding the Fourth Proportional to 763,346.70, 1,067,285.70 and 763,346.70
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Solution
The fourth proportional to 763,346.70, 1,067,285.70 and 763,346.70 is: 1,067,285.70
Step by Step Solution
- Step 1: Write the proportion equation
763,346.70 : 1,067,285.70 = 763,346.70 : x - Step 2: Convert to fraction form
763,346.70/1,067,285.70 = 763,346.70/x - Step 3: Cross multiply
763,346.70x = 1,067,285.70 × 763,346.70 - Step 4: Simplify right side
763,346.70x = 814,709,017,052.19 - Step 5: Solve for x
x = 814,709,017,052.19/763,346.70 - Step 6: Final answer
x = 1,067,285.70
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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.