Finding the Fourth Proportional to 902,988.84, 1,246,117.98 and 495,083.96
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Solution
The fourth proportional to 902,988.84, 1,246,117.98 and 495,083.96 is: 683,212.23
Step by Step Solution
- Step 1: Write the proportion equation
902,988.84 : 1,246,117.98 = 495,083.96 : x - Step 2: Convert to fraction form
902,988.84/1,246,117.98 = 495,083.96/x - Step 3: Cross multiply
902,988.84x = 1,246,117.98 × 495,083.96 - Step 4: Simplify right side
902,988.84x = 616,933,017,935.01 - Step 5: Solve for x
x = 616,933,017,935.01/902,988.84 - Step 6: Final answer
x = 683,212.23
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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.