Home / 1,667,109.31-2,500,664-404,928.43

Finding the Fourth Proportional to 1,667,109.31, 2,500,664 and 404,928.43

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Solution

The fourth proportional to 1,667,109.31, 2,500,664 and 404,928.43 is: 607,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,109.31 : 2,500,664 = 404,928.43 : x
  2. Step 2: Convert to fraction form
    1,667,109.31/2,500,664 = 404,928.43/x
  3. Step 3: Cross multiply
    1,667,109.31x = 2,500,664 × 404,928.43
  4. Step 4: Simplify right side
    1,667,109.31x = 1,012,589,947,477.52
  5. Step 5: Solve for x
    x = 1,012,589,947,477.52/1,667,109.31
  6. Step 6: Final answer
    x = 607,392.65

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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.