Home / 850,404.38-1,275,606.56-351,768.38

Finding the Fourth Proportional to 850,404.38, 1,275,606.56 and 351,768.38

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Solution

The fourth proportional to 850,404.38, 1,275,606.56 and 351,768.38 is: 527,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,404.38 : 1,275,606.56 = 351,768.38 : x
  2. Step 2: Convert to fraction form
    850,404.38/1,275,606.56 = 351,768.38/x
  3. Step 3: Cross multiply
    850,404.38x = 1,275,606.56 × 351,768.38
  4. Step 4: Simplify right side
    850,404.38x = 448,718,047,629.96
  5. Step 5: Solve for x
    x = 448,718,047,629.96/850,404.38
  6. Step 6: Final answer
    x = 527,652.56

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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.