Home / 504,829.56-696,610.96-278,475.04

Finding the Fourth Proportional to 504,829.56, 696,610.96 and 278,475.04

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Solution

The fourth proportional to 504,829.56, 696,610.96 and 278,475.04 is: 384,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,829.56 : 696,610.96 = 278,475.04 : x
  2. Step 2: Convert to fraction form
    504,829.56/696,610.96 = 278,475.04/x
  3. Step 3: Cross multiply
    504,829.56x = 696,610.96 × 278,475.04
  4. Step 4: Simplify right side
    504,829.56x = 193,988,764,950.44
  5. Step 5: Solve for x
    x = 193,988,764,950.44/504,829.56
  6. Step 6: Final answer
    x = 384,265.86

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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.