Home / 527,113.26-727,369.44-312,218.64

Finding the Fourth Proportional to 527,113.26, 727,369.44 and 312,218.64

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Solution

The fourth proportional to 527,113.26, 727,369.44 and 312,218.64 is: 430,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,113.26 : 727,369.44 = 312,218.64 : x
  2. Step 2: Convert to fraction form
    527,113.26/727,369.44 = 312,218.64/x
  3. Step 3: Cross multiply
    527,113.26x = 727,369.44 × 312,218.64
  4. Step 4: Simplify right side
    527,113.26x = 227,098,297,334.36
  5. Step 5: Solve for x
    x = 227,098,297,334.36/527,113.26
  6. Step 6: Final answer
    x = 430,833.97

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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.