Finding the Fourth Proportional to 1,430,586.31, 1,974,094.57 and 818,598.79
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Solution
The fourth proportional to 1,430,586.31, 1,974,094.57 and 818,598.79 is: 1,129,600.79
Step by Step Solution
- Step 1: Write the proportion equation
1,430,586.31 : 1,974,094.57 = 818,598.79 : x - Step 2: Convert to fraction form
1,430,586.31/1,974,094.57 = 818,598.79/x - Step 3: Cross multiply
1,430,586.31x = 1,974,094.57 × 818,598.79 - Step 4: Simplify right side
1,430,586.31x = 1,615,991,426,347.57 - Step 5: Solve for x
x = 1,615,991,426,347.57/1,430,586.31 - Step 6: Final answer
x = 1,129,600.79
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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.