Home / 711,949.20-1,067,923.80-446,528.40

Finding the Fourth Proportional to 711,949.20, 1,067,923.80 and 446,528.40

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Solution

The fourth proportional to 711,949.20, 1,067,923.80 and 446,528.40 is: 669,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,949.20 : 1,067,923.80 = 446,528.40 : x
  2. Step 2: Convert to fraction form
    711,949.20/1,067,923.80 = 446,528.40/x
  3. Step 3: Cross multiply
    711,949.20x = 1,067,923.80 × 446,528.40
  4. Step 4: Simplify right side
    711,949.20x = 476,858,305,735.92
  5. Step 5: Solve for x
    x = 476,858,305,735.92/711,949.20
  6. Step 6: Final answer
    x = 669,792.60

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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.