Finding the Fourth Proportional to 901,142.19, 1,350,220.56 and 633,595.53
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Solution
The fourth proportional to 901,142.19, 1,350,220.56 and 633,595.53 is: 949,343.76
Step by Step Solution
- Step 1: Write the proportion equation
901,142.19 : 1,350,220.56 = 633,595.53 : x - Step 2: Convert to fraction form
901,142.19/1,350,220.56 = 633,595.53/x - Step 3: Cross multiply
901,142.19x = 1,350,220.56 × 633,595.53 - Step 4: Simplify right side
901,142.19x = 855,493,711,330.10 - Step 5: Solve for x
x = 855,493,711,330.10/901,142.19 - Step 6: Final answer
x = 949,343.76
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Double scale
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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.