Home / 746,109.10-1,119,163.65-521,722.90

Finding the Fourth Proportional to 746,109.10, 1,119,163.65 and 521,722.90

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Solution

The fourth proportional to 746,109.10, 1,119,163.65 and 521,722.90 is: 782,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,109.10 : 1,119,163.65 = 521,722.90 : x
  2. Step 2: Convert to fraction form
    746,109.10/1,119,163.65 = 521,722.90/x
  3. Step 3: Cross multiply
    746,109.10x = 1,119,163.65 × 521,722.90
  4. Step 4: Simplify right side
    746,109.10x = 583,893,305,052.59
  5. Step 5: Solve for x
    x = 583,893,305,052.59/746,109.10
  6. Step 6: Final answer
    x = 782,584.35

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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.