Finding the Fourth Proportional to 1,208,951.60, 1,668,319.74 and 657,648.99
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Solution
The fourth proportional to 1,208,951.60, 1,668,319.74 and 657,648.99 is: 907,537.40
Step by Step Solution
- Step 1: Write the proportion equation
1,208,951.60 : 1,668,319.74 = 657,648.99 : x - Step 2: Convert to fraction form
1,208,951.60/1,668,319.74 = 657,648.99/x - Step 3: Cross multiply
1,208,951.60x = 1,668,319.74 × 657,648.99 - Step 4: Simplify right side
1,208,951.60x = 1,097,168,792,008.06 - Step 5: Solve for x
x = 1,097,168,792,008.06/1,208,951.60 - Step 6: Final answer
x = 907,537.40
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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.