Finding the Fourth Proportional to 695,340.80, 974,876.80 and 695,340.80
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Solution
The fourth proportional to 695,340.80, 974,876.80 and 695,340.80 is: 974,876.80
Step by Step Solution
- Step 1: Write the proportion equation
695,340.80 : 974,876.80 = 695,340.80 : x - Step 2: Convert to fraction form
695,340.80/974,876.80 = 695,340.80/x - Step 3: Cross multiply
695,340.80x = 974,876.80 × 695,340.80 - Step 4: Simplify right side
695,340.80x = 677,871,614,013.44 - Step 5: Solve for x
x = 677,871,614,013.44/695,340.80 - Step 6: Final answer
x = 974,876.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.