Home / 527,263.39-727,619.58-285,540.36

Finding the Fourth Proportional to 527,263.39, 727,619.58 and 285,540.36

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Solution

The fourth proportional to 527,263.39, 727,619.58 and 285,540.36 is: 394,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,263.39 : 727,619.58 = 285,540.36 : x
  2. Step 2: Convert to fraction form
    527,263.39/727,619.58 = 285,540.36/x
  3. Step 3: Cross multiply
    527,263.39x = 727,619.58 × 285,540.36
  4. Step 4: Simplify right side
    527,263.39x = 207,764,756,816.25
  5. Step 5: Solve for x
    x = 207,764,756,816.25/527,263.39
  6. Step 6: Final answer
    x = 394,043.59

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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.