Home / 527,800.40-791,693.76-128,441.42

Finding the Fourth Proportional to 527,800.40, 791,693.76 and 128,441.42

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Solution

The fourth proportional to 527,800.40, 791,693.76 and 128,441.42 is: 192,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,800.40 : 791,693.76 = 128,441.42 : x
  2. Step 2: Convert to fraction form
    527,800.40/791,693.76 = 128,441.42/x
  3. Step 3: Cross multiply
    527,800.40x = 791,693.76 × 128,441.42
  4. Step 4: Simplify right side
    527,800.40x = 101,686,270,739.54
  5. Step 5: Solve for x
    x = 101,686,270,739.54/527,800.40
  6. Step 6: Final answer
    x = 192,660.47

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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.