Finding the Fourth Proportional to 746,962.95, 1,030,888.70 and 456,744.62
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Solution
The fourth proportional to 746,962.95, 1,030,888.70 and 456,744.62 is: 630,356.38
Step by Step Solution
- Step 1: Write the proportion equation
746,962.95 : 1,030,888.70 = 456,744.62 : x - Step 2: Convert to fraction form
746,962.95/1,030,888.70 = 456,744.62/x - Step 3: Cross multiply
746,962.95x = 1,030,888.70 × 456,744.62 - Step 4: Simplify right side
746,962.95x = 470,852,863,531.21 - Step 5: Solve for x
x = 470,852,863,531.21/746,962.95 - Step 6: Final answer
x = 630,356.38
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1.5x scale
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.