Finding the Fourth Proportional to 1,417,509.24, 1,956,088.62 and 805,580.16
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Solution
The fourth proportional to 1,417,509.24, 1,956,088.62 and 805,580.16 is: 1,111,658.49
Step by Step Solution
- Step 1: Write the proportion equation
1,417,509.24 : 1,956,088.62 = 805,580.16 : x - Step 2: Convert to fraction form
1,417,509.24/1,956,088.62 = 805,580.16/x - Step 3: Cross multiply
1,417,509.24x = 1,956,088.62 × 805,580.16 - Step 4: Simplify right side
1,417,509.24x = 1,575,786,183,473.78 - Step 5: Solve for x
x = 1,575,786,183,473.78/1,417,509.24 - Step 6: Final answer
x = 1,111,658.49
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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.