Finding the Fourth Proportional to 1,640,538.05, 2,263,579.70 and 951,810.84
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Solution
The fourth proportional to 1,640,538.05, 2,263,579.70 and 951,810.84 is: 1,313,288.47
Step by Step Solution
- Step 1: Write the proportion equation
1,640,538.05 : 2,263,579.70 = 951,810.84 : x - Step 2: Convert to fraction form
1,640,538.05/2,263,579.70 = 951,810.84/x - Step 3: Cross multiply
1,640,538.05x = 2,263,579.70 × 951,810.84 - Step 4: Simplify right side
1,640,538.05x = 2,154,499,690,904.89 - Step 5: Solve for x
x = 2,154,499,690,904.89/1,640,538.05 - Step 6: Final answer
x = 1,313,288.47
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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.