Home / 527,887.20-791,750.64-172,893.36

Finding the Fourth Proportional to 527,887.20, 791,750.64 and 172,893.36

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Solution

The fourth proportional to 527,887.20, 791,750.64 and 172,893.36 is: 259,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,887.20 : 791,750.64 = 172,893.36 : x
  2. Step 2: Convert to fraction form
    527,887.20/791,750.64 = 172,893.36/x
  3. Step 3: Cross multiply
    527,887.20x = 791,750.64 × 172,893.36
  4. Step 4: Simplify right side
    527,887.20x = 136,888,428,431.75
  5. Step 5: Solve for x
    x = 136,888,428,431.75/527,887.20
  6. Step 6: Final answer
    x = 259,313.79

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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.