Finding the Fourth Proportional to 690,219.48, 952,356.47 and 435,423
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Solution
The fourth proportional to 690,219.48, 952,356.47 and 435,423 is: 600,791.37
Step by Step Solution
- Step 1: Write the proportion equation
690,219.48 : 952,356.47 = 435,423 : x - Step 2: Convert to fraction form
690,219.48/952,356.47 = 435,423/x - Step 3: Cross multiply
690,219.48x = 952,356.47 × 435,423 - Step 4: Simplify right side
690,219.48x = 414,677,909,059.70 - Step 5: Solve for x
x = 414,677,909,059.70/690,219.48 - Step 6: Final answer
x = 600,791.37
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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.