Finding the Fourth Proportional to 877,061, 1,315,799.50 and 286,085
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Solution
The fourth proportional to 877,061, 1,315,799.50 and 286,085 is: 429,195.35
Step by Step Solution
- Step 1: Write the proportion equation
877,061 : 1,315,799.50 = 286,085 : x - Step 2: Convert to fraction form
877,061/1,315,799.50 = 286,085/x - Step 3: Cross multiply
877,061x = 1,315,799.50 × 286,085 - Step 4: Simplify right side
877,061x = 376,430,499,957.50 - Step 5: Solve for x
x = 376,430,499,957.50/877,061 - Step 6: Final answer
x = 429,195.35
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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.