Home / 493,895.25-681,575.65-267,540.75

Finding the Fourth Proportional to 493,895.25, 681,575.65 and 267,540.75

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Solution

The fourth proportional to 493,895.25, 681,575.65 and 267,540.75 is: 369,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,895.25 : 681,575.65 = 267,540.75 : x
  2. Step 2: Convert to fraction form
    493,895.25/681,575.65 = 267,540.75/x
  3. Step 3: Cross multiply
    493,895.25x = 681,575.65 × 267,540.75
  4. Step 4: Simplify right side
    493,895.25x = 182,349,259,913.89
  5. Step 5: Solve for x
    x = 182,349,259,913.89/493,895.25
  6. Step 6: Final answer
    x = 369,206.34

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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.