Home / 527,844.66-791,760.24-128,485.80

Finding the Fourth Proportional to 527,844.66, 791,760.24 and 128,485.80

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Solution

The fourth proportional to 527,844.66, 791,760.24 and 128,485.80 is: 192,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,844.66 : 791,760.24 = 128,485.80 : x
  2. Step 2: Convert to fraction form
    527,844.66/791,760.24 = 128,485.80/x
  3. Step 3: Cross multiply
    527,844.66x = 791,760.24 × 128,485.80
  4. Step 4: Simplify right side
    527,844.66x = 101,729,947,844.59
  5. Step 5: Solve for x
    x = 101,729,947,844.59/527,844.66
  6. Step 6: Final answer
    x = 192,727.06

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1.5x scale

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.