Finding the Fourth Proportional to 1,605,682.14, 2,215,844.28 and 880,535.07
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Solution
The fourth proportional to 1,605,682.14, 2,215,844.28 and 880,535.07 is: 1,215,140.00
Step by Step Solution
- Step 1: Write the proportion equation
1,605,682.14 : 2,215,844.28 = 880,535.07 : x - Step 2: Convert to fraction form
1,605,682.14/2,215,844.28 = 880,535.07/x - Step 3: Cross multiply
1,605,682.14x = 2,215,844.28 × 880,535.07 - Step 4: Simplify right side
1,605,682.14x = 1,951,128,598,198.90 - Step 5: Solve for x
x = 1,951,128,598,198.90/1,605,682.14 - Step 6: Final answer
x = 1,215,140.00
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1.5x scale
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.