Home / 1,539,857-2,309,746.62-417,896.84

Finding the Fourth Proportional to 1,539,857, 2,309,746.62 and 417,896.84

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Solution

The fourth proportional to 1,539,857, 2,309,746.62 and 417,896.84 is: 626,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,857 : 2,309,746.62 = 417,896.84 : x
  2. Step 2: Convert to fraction form
    1,539,857/2,309,746.62 = 417,896.84/x
  3. Step 3: Cross multiply
    1,539,857x = 2,309,746.62 × 417,896.84
  4. Step 4: Simplify right side
    1,539,857x = 965,235,813,698.68
  5. Step 5: Solve for x
    x = 965,235,813,698.68/1,539,857
  6. Step 6: Final answer
    x = 626,834.71

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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.