Home / 741,354.21-1,110,761.71-404,631.16

Finding the Fourth Proportional to 741,354.21, 1,110,761.71 and 404,631.16

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Solution

The fourth proportional to 741,354.21, 1,110,761.71 and 404,631.16 is: 606,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,354.21 : 1,110,761.71 = 404,631.16 : x
  2. Step 2: Convert to fraction form
    741,354.21/1,110,761.71 = 404,631.16/x
  3. Step 3: Cross multiply
    741,354.21x = 1,110,761.71 × 404,631.16
  4. Step 4: Simplify right side
    741,354.21x = 449,448,799,200.88
  5. Step 5: Solve for x
    x = 449,448,799,200.88/741,354.21
  6. Step 6: Final answer
    x = 606,253.79

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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.