Home / 527,232.12-727,576.68-285,509.16

Finding the Fourth Proportional to 527,232.12, 727,576.68 and 285,509.16

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Solution

The fourth proportional to 527,232.12, 727,576.68 and 285,509.16 is: 394,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,232.12 : 727,576.68 = 285,509.16 : x
  2. Step 2: Convert to fraction form
    527,232.12/727,576.68 = 285,509.16/x
  3. Step 3: Cross multiply
    527,232.12x = 727,576.68 × 285,509.16
  4. Step 4: Simplify right side
    527,232.12x = 207,729,806,742.39
  5. Step 5: Solve for x
    x = 207,729,806,742.39/527,232.12
  6. Step 6: Final answer
    x = 394,000.67

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1.5x scale

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.