Finding the Fourth Proportional to 877,190.39, 1,210,593.07 and 697,386.19
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Solution
The fourth proportional to 877,190.39, 1,210,593.07 and 697,386.19 is: 962,448.85
Step by Step Solution
- Step 1: Write the proportion equation
877,190.39 : 1,210,593.07 = 697,386.19 : x - Step 2: Convert to fraction form
877,190.39/1,210,593.07 = 697,386.19/x - Step 3: Cross multiply
877,190.39x = 1,210,593.07 × 697,386.19 - Step 4: Simplify right side
877,190.39x = 844,250,886,881.42 - Step 5: Solve for x
x = 844,250,886,881.42/877,190.39 - Step 6: Final answer
x = 962,448.85
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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.