Home / 837,137.50-1,155,241.61-455,164.28

Finding the Fourth Proportional to 837,137.50, 1,155,241.61 and 455,164.28

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Solution

The fourth proportional to 837,137.50, 1,155,241.61 and 455,164.28 is: 628,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,137.50 : 1,155,241.61 = 455,164.28 : x
  2. Step 2: Convert to fraction form
    837,137.50/1,155,241.61 = 455,164.28/x
  3. Step 3: Cross multiply
    837,137.50x = 1,155,241.61 × 455,164.28
  4. Step 4: Simplify right side
    837,137.50x = 525,824,707,589.66
  5. Step 5: Solve for x
    x = 525,824,707,589.66/837,137.50
  6. Step 6: Final answer
    x = 628,122.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.