Finding the Fourth Proportional to 1,185,756.94, 1,778,637.84 and 555,113.62
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Solution
The fourth proportional to 1,185,756.94, 1,778,637.84 and 555,113.62 is: 832,671.57
Step by Step Solution
- Step 1: Write the proportion equation
1,185,756.94 : 1,778,637.84 = 555,113.62 : x - Step 2: Convert to fraction form
1,185,756.94/1,778,637.84 = 555,113.62/x - Step 3: Cross multiply
1,185,756.94x = 1,778,637.84 × 555,113.62 - Step 4: Simplify right side
1,185,756.94x = 987,346,090,031.38 - Step 5: Solve for x
x = 987,346,090,031.38/1,185,756.94 - Step 6: Final answer
x = 832,671.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.