Home / 837,589.32-1,256,524.11-657,667.50

Finding the Fourth Proportional to 837,589.32, 1,256,524.11 and 657,667.50

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Solution

The fourth proportional to 837,589.32, 1,256,524.11 and 657,667.50 is: 986,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,589.32 : 1,256,524.11 = 657,667.50 : x
  2. Step 2: Convert to fraction form
    837,589.32/1,256,524.11 = 657,667.50/x
  3. Step 3: Cross multiply
    837,589.32x = 1,256,524.11 × 657,667.50
  4. Step 4: Simplify right side
    837,589.32x = 826,375,070,113.43
  5. Step 5: Solve for x
    x = 826,375,070,113.43/837,589.32
  6. Step 6: Final answer
    x = 986,611.28

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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.