Finding the Fourth Proportional to 1,573,928.32, 2,172,027.84 and 858,551.68
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Solution
The fourth proportional to 1,573,928.32, 2,172,027.84 and 858,551.68 is: 1,184,805.00
Step by Step Solution
- Step 1: Write the proportion equation
1,573,928.32 : 2,172,027.84 = 858,551.68 : x - Step 2: Convert to fraction form
1,573,928.32/2,172,027.84 = 858,551.68/x - Step 3: Cross multiply
1,573,928.32x = 2,172,027.84 × 858,551.68 - Step 4: Simplify right side
1,573,928.32x = 1,864,798,151,038.77 - Step 5: Solve for x
x = 1,864,798,151,038.77/1,573,928.32 - Step 6: Final answer
x = 1,184,805.00
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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.