Finding the Fourth Proportional to 930,636.84, 1,394,908.50 and 473,946.84
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Solution
The fourth proportional to 930,636.84, 1,394,908.50 and 473,946.84 is: 710,387.17
Step by Step Solution
- Step 1: Write the proportion equation
930,636.84 : 1,394,908.50 = 473,946.84 : x - Step 2: Convert to fraction form
930,636.84/1,394,908.50 = 473,946.84/x - Step 3: Cross multiply
930,636.84x = 1,394,908.50 × 473,946.84 - Step 4: Simplify right side
930,636.84x = 661,112,475,664.14 - Step 5: Solve for x
x = 661,112,475,664.14/930,636.84 - Step 6: Final answer
x = 710,387.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.