Finding the Fourth Proportional to 1,174,225, 1,620,430.50 and 637,681
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Solution
The fourth proportional to 1,174,225, 1,620,430.50 and 637,681 is: 879,999.78
Step by Step Solution
- Step 1: Write the proportion equation
1,174,225 : 1,620,430.50 = 637,681 : x - Step 2: Convert to fraction form
1,174,225/1,620,430.50 = 637,681/x - Step 3: Cross multiply
1,174,225x = 1,620,430.50 × 637,681 - Step 4: Simplify right side
1,174,225x = 1,033,317,741,670.50 - Step 5: Solve for x
x = 1,033,317,741,670.50/1,174,225 - Step 6: Final answer
x = 879,999.78
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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.