Finding the Fourth Proportional to 1,417,270.16, 1,955,748.56 and 805,337.99
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Solution
The fourth proportional to 1,417,270.16, 1,955,748.56 and 805,337.99 is: 1,111,318.55
Step by Step Solution
- Step 1: Write the proportion equation
1,417,270.16 : 1,955,748.56 = 805,337.99 : x - Step 2: Convert to fraction form
1,417,270.16/1,955,748.56 = 805,337.99/x - Step 3: Cross multiply
1,417,270.16x = 1,955,748.56 × 805,337.99 - Step 4: Simplify right side
1,417,270.16x = 1,575,038,619,917.97 - Step 5: Solve for x
x = 1,575,038,619,917.97/1,417,270.16 - Step 6: Final answer
x = 1,111,318.55
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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.