Finding the Fourth Proportional to 1,417,883.98, 1,956,848.08 and 806,129.06
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Solution
The fourth proportional to 1,417,883.98, 1,956,848.08 and 806,129.06 is: 1,112,553.72
Step by Step Solution
- Step 1: Write the proportion equation
1,417,883.98 : 1,956,848.08 = 806,129.06 : x - Step 2: Convert to fraction form
1,417,883.98/1,956,848.08 = 806,129.06/x - Step 3: Cross multiply
1,417,883.98x = 1,956,848.08 × 806,129.06 - Step 4: Simplify right side
1,417,883.98x = 1,577,472,103,293.21 - Step 5: Solve for x
x = 1,577,472,103,293.21/1,417,883.98 - Step 6: Final answer
x = 1,112,553.72
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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.