Finding the Fourth Proportional to 1,417,343.19, 1,955,972.84 and 866,148.11
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Solution
The fourth proportional to 1,417,343.19, 1,955,972.84 and 866,148.11 is: 1,195,308.37
Step by Step Solution
- Step 1: Write the proportion equation
1,417,343.19 : 1,955,972.84 = 866,148.11 : x - Step 2: Convert to fraction form
1,417,343.19/1,955,972.84 = 866,148.11/x - Step 3: Cross multiply
1,417,343.19x = 1,955,972.84 × 866,148.11 - Step 4: Simplify right side
1,417,343.19x = 1,694,162,171,801.63 - Step 5: Solve for x
x = 1,694,162,171,801.63/1,417,343.19 - Step 6: Final answer
x = 1,195,308.37
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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.