Home / 1,093,514.40-1,640,271.60-756,935.10

Finding the Fourth Proportional to 1,093,514.40, 1,640,271.60 and 756,935.10

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Solution

The fourth proportional to 1,093,514.40, 1,640,271.60 and 756,935.10 is: 1,135,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,514.40 : 1,640,271.60 = 756,935.10 : x
  2. Step 2: Convert to fraction form
    1,093,514.40/1,640,271.60 = 756,935.10/x
  3. Step 3: Cross multiply
    1,093,514.40x = 1,640,271.60 × 756,935.10
  4. Step 4: Simplify right side
    1,093,514.40x = 1,241,579,147,573.16
  5. Step 5: Solve for x
    x = 1,241,579,147,573.16/1,093,514.40
  6. Step 6: Final answer
    x = 1,135,402.65

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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.