Finding the Fourth Proportional to 1,369,854.64, 1,890,296.76 and 766,126
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Solution
The fourth proportional to 1,369,854.64, 1,890,296.76 and 766,126 is: 1,057,196.47
Step by Step Solution
- Step 1: Write the proportion equation
1,369,854.64 : 1,890,296.76 = 766,126 : x - Step 2: Convert to fraction form
1,369,854.64/1,890,296.76 = 766,126/x - Step 3: Cross multiply
1,369,854.64x = 1,890,296.76 × 766,126 - Step 4: Simplify right side
1,369,854.64x = 1,448,205,495,551.76 - Step 5: Solve for x
x = 1,448,205,495,551.76/1,369,854.64 - Step 6: Final answer
x = 1,057,196.47
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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.