Finding the Fourth Proportional to 948,796.84, 1,309,397.70 and 546,518.44
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Solution
The fourth proportional to 948,796.84, 1,309,397.70 and 546,518.44 is: 754,228.89
Step by Step Solution
- Step 1: Write the proportion equation
948,796.84 : 1,309,397.70 = 546,518.44 : x - Step 2: Convert to fraction form
948,796.84/1,309,397.70 = 546,518.44/x - Step 3: Cross multiply
948,796.84x = 1,309,397.70 × 546,518.44 - Step 4: Simplify right side
948,796.84x = 715,609,988,343.59 - Step 5: Solve for x
x = 715,609,988,343.59/948,796.84 - Step 6: Final answer
x = 754,228.89
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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.