Finding the Fourth Proportional to 750,904.24, 1,036,248.90 and 406,743.88
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Solution
The fourth proportional to 750,904.24, 1,036,248.90 and 406,743.88 is: 561,307.12
Step by Step Solution
- Step 1: Write the proportion equation
750,904.24 : 1,036,248.90 = 406,743.88 : x - Step 2: Convert to fraction form
750,904.24/1,036,248.90 = 406,743.88/x - Step 3: Cross multiply
750,904.24x = 1,036,248.90 × 406,743.88 - Step 4: Simplify right side
750,904.24x = 421,487,898,231.73 - Step 5: Solve for x
x = 421,487,898,231.73/750,904.24 - Step 6: Final answer
x = 561,307.12
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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.