Finding the Fourth Proportional to 877,599, 1,316,398.50 and 212,751
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Solution
The fourth proportional to 877,599, 1,316,398.50 and 212,751 is: 319,126.50
Step by Step Solution
- Step 1: Write the proportion equation
877,599 : 1,316,398.50 = 212,751 : x - Step 2: Convert to fraction form
877,599/1,316,398.50 = 212,751/x - Step 3: Cross multiply
877,599x = 1,316,398.50 × 212,751 - Step 4: Simplify right side
877,599x = 280,065,097,273.50 - Step 5: Solve for x
x = 280,065,097,273.50/877,599 - Step 6: Final answer
x = 319,126.50
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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.