Finding the Fourth Proportional to 669,974.06, 924,149.58 and 440,557.76
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Solution
The fourth proportional to 669,974.06, 924,149.58 and 440,557.76 is: 607,697.06
Step by Step Solution
- Step 1: Write the proportion equation
669,974.06 : 924,149.58 = 440,557.76 : x - Step 2: Convert to fraction form
669,974.06/924,149.58 = 440,557.76/x - Step 3: Cross multiply
669,974.06x = 924,149.58 × 440,557.76 - Step 4: Simplify right side
669,974.06x = 407,141,268,869.74 - Step 5: Solve for x
x = 407,141,268,869.74/669,974.06 - Step 6: Final answer
x = 607,697.06
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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.