Finding the Fourth Proportional to 1,683,665.19, 2,323,509.03 and 919,767.96
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Solution
The fourth proportional to 1,683,665.19, 2,323,509.03 and 919,767.96 is: 1,269,307.68
Step by Step Solution
- Step 1: Write the proportion equation
1,683,665.19 : 2,323,509.03 = 919,767.96 : x - Step 2: Convert to fraction form
1,683,665.19/2,323,509.03 = 919,767.96/x - Step 3: Cross multiply
1,683,665.19x = 2,323,509.03 × 919,767.96 - Step 4: Simplify right side
1,683,665.19x = 2,137,089,160,564.68 - Step 5: Solve for x
x = 2,137,089,160,564.68/1,683,665.19 - Step 6: Final answer
x = 1,269,307.68
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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.