Finding the Fourth Proportional to 1,405,828.58, 1,940,052.74 and 761,248.75
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Solution
The fourth proportional to 1,405,828.58, 1,940,052.74 and 761,248.75 is: 1,050,528.31
Step by Step Solution
- Step 1: Write the proportion equation
1,405,828.58 : 1,940,052.74 = 761,248.75 : x - Step 2: Convert to fraction form
1,405,828.58/1,940,052.74 = 761,248.75/x - Step 3: Cross multiply
1,405,828.58x = 1,940,052.74 × 761,248.75 - Step 4: Simplify right side
1,405,828.58x = 1,476,862,723,259.08 - Step 5: Solve for x
x = 1,476,862,723,259.08/1,405,828.58 - Step 6: Final answer
x = 1,050,528.31
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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.