Home / 527,204.02-727,540.22-285,486.60

Finding the Fourth Proportional to 527,204.02, 727,540.22 and 285,486.60

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Solution

The fourth proportional to 527,204.02, 727,540.22 and 285,486.60 is: 393,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,204.02 : 727,540.22 = 285,486.60 : x
  2. Step 2: Convert to fraction form
    527,204.02/727,540.22 = 285,486.60/x
  3. Step 3: Cross multiply
    527,204.02x = 727,540.22 × 285,486.60
  4. Step 4: Simplify right side
    527,204.02x = 207,702,983,771.05
  5. Step 5: Solve for x
    x = 207,702,983,771.05/527,204.02
  6. Step 6: Final answer
    x = 393,970.79

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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.