Finding the Fourth Proportional to 1,697,280.12, 2,342,306.70 and 933,391.80
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Solution
The fourth proportional to 1,697,280.12, 2,342,306.70 and 933,391.80 is: 1,288,113.75
Step by Step Solution
- Step 1: Write the proportion equation
1,697,280.12 : 2,342,306.70 = 933,391.80 : x - Step 2: Convert to fraction form
1,697,280.12/2,342,306.70 = 933,391.80/x - Step 3: Cross multiply
1,697,280.12x = 2,342,306.70 × 933,391.80 - Step 4: Simplify right side
1,697,280.12x = 2,186,289,866,865.06 - Step 5: Solve for x
x = 2,186,289,866,865.06/1,697,280.12 - Step 6: Final answer
x = 1,288,113.75
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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.