Home / 527,799.40-791,692.26-128,440.42

Finding the Fourth Proportional to 527,799.40, 791,692.26 and 128,440.42

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Solution

The fourth proportional to 527,799.40, 791,692.26 and 128,440.42 is: 192,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,799.40 : 791,692.26 = 128,440.42 : x
  2. Step 2: Convert to fraction form
    527,799.40/791,692.26 = 128,440.42/x
  3. Step 3: Cross multiply
    527,799.40x = 791,692.26 × 128,440.42
  4. Step 4: Simplify right side
    527,799.40x = 101,685,286,385.15
  5. Step 5: Solve for x
    x = 101,685,286,385.15/527,799.40
  6. Step 6: Final answer
    x = 192,658.97

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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.