Finding the Fourth Proportional to 1,192,646.70, 1,645,822.76 and 683,316.26
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Solution
The fourth proportional to 1,192,646.70, 1,645,822.76 and 683,316.26 is: 942,959.43
Step by Step Solution
- Step 1: Write the proportion equation
1,192,646.70 : 1,645,822.76 = 683,316.26 : x - Step 2: Convert to fraction form
1,192,646.70/1,645,822.76 = 683,316.26/x - Step 3: Cross multiply
1,192,646.70x = 1,645,822.76 × 683,316.26 - Step 4: Simplify right side
1,192,646.70x = 1,124,617,452,986.08 - Step 5: Solve for x
x = 1,124,617,452,986.08/1,192,646.70 - Step 6: Final answer
x = 942,959.43
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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.