Home / 1,109,249.76-1,530,632.94-625,786.68

Finding the Fourth Proportional to 1,109,249.76, 1,530,632.94 and 625,786.68

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Solution

The fourth proportional to 1,109,249.76, 1,530,632.94 and 625,786.68 is: 863,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,249.76 : 1,530,632.94 = 625,786.68 : x
  2. Step 2: Convert to fraction form
    1,109,249.76/1,530,632.94 = 625,786.68/x
  3. Step 3: Cross multiply
    1,109,249.76x = 1,530,632.94 × 625,786.68
  4. Step 4: Simplify right side
    1,109,249.76x = 957,849,705,821.24
  5. Step 5: Solve for x
    x = 957,849,705,821.24/1,109,249.76
  6. Step 6: Final answer
    x = 863,511.30

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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.