Home / 775,893.13-1,070,571.98-453,540.85

Finding the Fourth Proportional to 775,893.13, 1,070,571.98 and 453,540.85

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Solution

The fourth proportional to 775,893.13, 1,070,571.98 and 453,540.85 is: 625,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,893.13 : 1,070,571.98 = 453,540.85 : x
  2. Step 2: Convert to fraction form
    775,893.13/1,070,571.98 = 453,540.85/x
  3. Step 3: Cross multiply
    775,893.13x = 1,070,571.98 × 453,540.85
  4. Step 4: Simplify right side
    775,893.13x = 485,548,118,174.82
  5. Step 5: Solve for x
    x = 485,548,118,174.82/775,893.13
  6. Step 6: Final answer
    x = 625,792.53

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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.