Finding the Fourth Proportional to 930,040.55, 1,394,706.71 and 551,068.23
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Solution
The fourth proportional to 930,040.55, 1,394,706.71 and 551,068.23 is: 826,392.53
Step by Step Solution
- Step 1: Write the proportion equation
930,040.55 : 1,394,706.71 = 551,068.23 : x - Step 2: Convert to fraction form
930,040.55/1,394,706.71 = 551,068.23/x - Step 3: Cross multiply
930,040.55x = 1,394,706.71 × 551,068.23 - Step 4: Simplify right side
930,040.55x = 768,578,559,426.49 - Step 5: Solve for x
x = 768,578,559,426.49/930,040.55 - Step 6: Final answer
x = 826,392.53
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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.