Finding the Fourth Proportional to 1,237,928.99, 1,708,256.46 and 686,592.66
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Solution
The fourth proportional to 1,237,928.99, 1,708,256.46 and 686,592.66 is: 947,450.44
Step by Step Solution
- Step 1: Write the proportion equation
1,237,928.99 : 1,708,256.46 = 686,592.66 : x - Step 2: Convert to fraction form
1,237,928.99/1,708,256.46 = 686,592.66/x - Step 3: Cross multiply
1,237,928.99x = 1,708,256.46 × 686,592.66 - Step 4: Simplify right side
1,237,928.99x = 1,172,876,355,814.27 - Step 5: Solve for x
x = 1,172,876,355,814.27/1,237,928.99 - Step 6: Final answer
x = 947,450.44
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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.