Home / 775,563.78-1,164,435.57-396,756.23

Finding the Fourth Proportional to 775,563.78, 1,164,435.57 and 396,756.23

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Solution

The fourth proportional to 775,563.78, 1,164,435.57 and 396,756.23 is: 595,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,563.78 : 1,164,435.57 = 396,756.23 : x
  2. Step 2: Convert to fraction form
    775,563.78/1,164,435.57 = 396,756.23/x
  3. Step 3: Cross multiply
    775,563.78x = 1,164,435.57 × 396,756.23
  4. Step 4: Simplify right side
    775,563.78x = 461,997,061,008.92
  5. Step 5: Solve for x
    x = 461,997,061,008.92/775,563.78
  6. Step 6: Final answer
    x = 595,691.90

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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.