Finding the Fourth Proportional to 1,134,887.36, 1,566,155.05 and 625,607.96
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Solution
The fourth proportional to 1,134,887.36, 1,566,155.05 and 625,607.96 is: 863,344.76
Step by Step Solution
- Step 1: Write the proportion equation
1,134,887.36 : 1,566,155.05 = 625,607.96 : x - Step 2: Convert to fraction form
1,134,887.36/1,566,155.05 = 625,607.96/x - Step 3: Cross multiply
1,134,887.36x = 1,566,155.05 × 625,607.96 - Step 4: Simplify right side
1,134,887.36x = 979,799,056,479.40 - Step 5: Solve for x
x = 979,799,056,479.40/1,134,887.36 - Step 6: Final answer
x = 863,344.76
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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.