Home / 620,519.28-929,917.77-282,734.43

Finding the Fourth Proportional to 620,519.28, 929,917.77 and 282,734.43

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Solution

The fourth proportional to 620,519.28, 929,917.77 and 282,734.43 is: 423,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,519.28 : 929,917.77 = 282,734.43 : x
  2. Step 2: Convert to fraction form
    620,519.28/929,917.77 = 282,734.43/x
  3. Step 3: Cross multiply
    620,519.28x = 929,917.77 × 282,734.43
  4. Step 4: Simplify right side
    620,519.28x = 262,919,770,647.82
  5. Step 5: Solve for x
    x = 262,919,770,647.82/620,519.28
  6. Step 6: Final answer
    x = 423,709.27

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1.5x scale

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.