Finding the Fourth Proportional to 741,779.04, 1,023,655.04 and 402,248.08
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Solution
The fourth proportional to 741,779.04, 1,023,655.04 and 402,248.08 is: 555,102.33
Step by Step Solution
- Step 1: Write the proportion equation
741,779.04 : 1,023,655.04 = 402,248.08 : x - Step 2: Convert to fraction form
741,779.04/1,023,655.04 = 402,248.08/x - Step 3: Cross multiply
741,779.04x = 1,023,655.04 × 402,248.08 - Step 4: Simplify right side
741,779.04x = 411,763,274,422.32 - Step 5: Solve for x
x = 411,763,274,422.32/741,779.04 - Step 6: Final answer
x = 555,102.33
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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.