Finding the Fourth Proportional to 1,257,412.51, 1,886,119.38 and 415,964.26
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Solution
The fourth proportional to 1,257,412.51, 1,886,119.38 and 415,964.26 is: 623,946.59
Step by Step Solution
- Step 1: Write the proportion equation
1,257,412.51 : 1,886,119.38 = 415,964.26 : x - Step 2: Convert to fraction form
1,257,412.51/1,886,119.38 = 415,964.26/x - Step 3: Cross multiply
1,257,412.51x = 1,886,119.38 × 415,964.26 - Step 4: Simplify right side
1,257,412.51x = 784,558,252,173.36 - Step 5: Solve for x
x = 784,558,252,173.36/1,257,412.51 - Step 6: Final answer
x = 623,946.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.