Finding the Fourth Proportional to 624,124.80, 936,187.20 and 561,139.20
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Solution
The fourth proportional to 624,124.80, 936,187.20 and 561,139.20 is: 841,708.80
Step by Step Solution
- Step 1: Write the proportion equation
624,124.80 : 936,187.20 = 561,139.20 : x - Step 2: Convert to fraction form
624,124.80/936,187.20 = 561,139.20/x - Step 3: Cross multiply
624,124.80x = 936,187.20 × 561,139.20 - Step 4: Simplify right side
624,124.80x = 525,331,336,458.24 - Step 5: Solve for x
x = 525,331,336,458.24/624,124.80 - Step 6: Final answer
x = 841,708.80
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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.