Finding the Fourth Proportional to 1,272,752.96, 1,756,405.67 and 699,830.03
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Solution
The fourth proportional to 1,272,752.96, 1,756,405.67 and 699,830.03 is: 965,769.06
Step by Step Solution
- Step 1: Write the proportion equation
1,272,752.96 : 1,756,405.67 = 699,830.03 : x - Step 2: Convert to fraction form
1,272,752.96/1,756,405.67 = 699,830.03/x - Step 3: Cross multiply
1,272,752.96x = 1,756,405.67 × 699,830.03 - Step 4: Simplify right side
1,272,752.96x = 1,229,185,420,447.09 - Step 5: Solve for x
x = 1,229,185,420,447.09/1,272,752.96 - Step 6: Final answer
x = 965,769.06
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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.