Home / 755,850.21-1,043,073.23-416,318.46

Finding the Fourth Proportional to 755,850.21, 1,043,073.23 and 416,318.46

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Solution

The fourth proportional to 755,850.21, 1,043,073.23 and 416,318.46 is: 574,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,850.21 : 1,043,073.23 = 416,318.46 : x
  2. Step 2: Convert to fraction form
    755,850.21/1,043,073.23 = 416,318.46/x
  3. Step 3: Cross multiply
    755,850.21x = 1,043,073.23 × 416,318.46
  4. Step 4: Simplify right side
    755,850.21x = 434,250,640,780.83
  5. Step 5: Solve for x
    x = 434,250,640,780.83/755,850.21
  6. Step 6: Final answer
    x = 574,519.44

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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.