Finding the Fourth Proportional to 1,707,241.23, 2,356,483.80 and 1,126,887.97
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Solution
The fourth proportional to 1,707,241.23, 2,356,483.80 and 1,126,887.97 is: 1,555,429.43
Step by Step Solution
- Step 1: Write the proportion equation
1,707,241.23 : 2,356,483.80 = 1,126,887.97 : x - Step 2: Convert to fraction form
1,707,241.23/2,356,483.80 = 1,126,887.97/x - Step 3: Cross multiply
1,707,241.23x = 2,356,483.80 × 1,126,887.97 - Step 4: Simplify right side
1,707,241.23x = 2,655,493,245,719.89 - Step 5: Solve for x
x = 2,655,493,245,719.89/1,707,241.23 - Step 6: Final answer
x = 1,555,429.43
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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.