Home / 711,692.80-1,067,193.60-395,814.40

Finding the Fourth Proportional to 711,692.80, 1,067,193.60 and 395,814.40

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Solution

The fourth proportional to 711,692.80, 1,067,193.60 and 395,814.40 is: 593,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,692.80 : 1,067,193.60 = 395,814.40 : x
  2. Step 2: Convert to fraction form
    711,692.80/1,067,193.60 = 395,814.40/x
  3. Step 3: Cross multiply
    711,692.80x = 1,067,193.60 × 395,814.40
  4. Step 4: Simplify right side
    711,692.80x = 422,410,594,467.84
  5. Step 5: Solve for x
    x = 422,410,594,467.84/711,692.80
  6. Step 6: Final answer
    x = 593,529.39

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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.