Home / 351,764.27-526,385.12-304,541.78

Finding the Fourth Proportional to 351,764.27, 526,385.12 and 304,541.78

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Solution

The fourth proportional to 351,764.27, 526,385.12 and 304,541.78 is: 455,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,764.27 : 526,385.12 = 304,541.78 : x
  2. Step 2: Convert to fraction form
    351,764.27/526,385.12 = 304,541.78/x
  3. Step 3: Cross multiply
    351,764.27x = 526,385.12 × 304,541.78
  4. Step 4: Simplify right side
    351,764.27x = 160,306,261,410.31
  5. Step 5: Solve for x
    x = 160,306,261,410.31/351,764.27
  6. Step 6: Final answer
    x = 455,720.71

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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.