Home / 837,578.50-1,256,507.85-657,656.64

Finding the Fourth Proportional to 837,578.50, 1,256,507.85 and 657,656.64

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Solution

The fourth proportional to 837,578.50, 1,256,507.85 and 657,656.64 is: 986,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,578.50 : 1,256,507.85 = 657,656.64 : x
  2. Step 2: Convert to fraction form
    837,578.50/1,256,507.85 = 657,656.64/x
  3. Step 3: Cross multiply
    837,578.50x = 1,256,507.85 × 657,656.64
  4. Step 4: Simplify right side
    837,578.50x = 826,350,730,764.62
  5. Step 5: Solve for x
    x = 826,350,730,764.62/837,578.50
  6. Step 6: Final answer
    x = 986,594.96

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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.