Home / 527,199.33-727,533.77-285,481.89

Finding the Fourth Proportional to 527,199.33, 727,533.77 and 285,481.89

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Solution

The fourth proportional to 527,199.33, 727,533.77 and 285,481.89 is: 393,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,199.33 : 727,533.77 = 285,481.89 : x
  2. Step 2: Convert to fraction form
    527,199.33/727,533.77 = 285,481.89/x
  3. Step 3: Cross multiply
    527,199.33x = 727,533.77 × 285,481.89
  4. Step 4: Simplify right side
    527,199.33x = 207,697,715,698.43
  5. Step 5: Solve for x
    x = 207,697,715,698.43/527,199.33
  6. Step 6: Final answer
    x = 393,964.30

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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.