Home / 526,819.11-727,011.67-285,103.44

Finding the Fourth Proportional to 526,819.11, 727,011.67 and 285,103.44

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Solution

The fourth proportional to 526,819.11, 727,011.67 and 285,103.44 is: 393,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,819.11 : 727,011.67 = 285,103.44 : x
  2. Step 2: Convert to fraction form
    526,819.11/727,011.67 = 285,103.44/x
  3. Step 3: Cross multiply
    526,819.11x = 727,011.67 × 285,103.44
  4. Step 4: Simplify right side
    526,819.11x = 207,273,528,037.15
  5. Step 5: Solve for x
    x = 207,273,528,037.15/526,819.11
  6. Step 6: Final answer
    x = 393,443.45

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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.