Finding the Fourth Proportional to 1,666,203.65, 2,299,383.35 and 931,125.62
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Solution
The fourth proportional to 1,666,203.65, 2,299,383.35 and 931,125.62 is: 1,284,965.82
Step by Step Solution
- Step 1: Write the proportion equation
1,666,203.65 : 2,299,383.35 = 931,125.62 : x - Step 2: Convert to fraction form
1,666,203.65/2,299,383.35 = 931,125.62/x - Step 3: Cross multiply
1,666,203.65x = 2,299,383.35 × 931,125.62 - Step 4: Simplify right side
1,666,203.65x = 2,141,014,731,233.88 - Step 5: Solve for x
x = 2,141,014,731,233.88/1,666,203.65 - Step 6: Final answer
x = 1,284,965.82
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1.5x scale
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.