Home / 493,850.12-681,515.80-267,495.62

Finding the Fourth Proportional to 493,850.12, 681,515.80 and 267,495.62

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Solution

The fourth proportional to 493,850.12, 681,515.80 and 267,495.62 is: 369,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,850.12 : 681,515.80 = 267,495.62 : x
  2. Step 2: Convert to fraction form
    493,850.12/681,515.80 = 267,495.62/x
  3. Step 3: Cross multiply
    493,850.12x = 681,515.80 × 267,495.62
  4. Step 4: Simplify right side
    493,850.12x = 182,302,491,460.80
  5. Step 5: Solve for x
    x = 182,302,491,460.80/493,850.12
  6. Step 6: Final answer
    x = 369,145.38

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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.