Home / 1,340,363.80-1,849,693.41-767,514.69

Finding the Fourth Proportional to 1,340,363.80, 1,849,693.41 and 767,514.69

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Solution

The fourth proportional to 1,340,363.80, 1,849,693.41 and 767,514.69 is: 1,059,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,363.80 : 1,849,693.41 = 767,514.69 : x
  2. Step 2: Convert to fraction form
    1,340,363.80/1,849,693.41 = 767,514.69/x
  3. Step 3: Cross multiply
    1,340,363.80x = 1,849,693.41 × 767,514.69
  4. Step 4: Simplify right side
    1,340,363.80x = 1,419,666,867,049.37
  5. Step 5: Solve for x
    x = 1,419,666,867,049.37/1,340,363.80
  6. Step 6: Final answer
    x = 1,059,165.33

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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.