Home / 1,395,698.40-2,093,701.20-509,426.40

Finding the Fourth Proportional to 1,395,698.40, 2,093,701.20 and 509,426.40

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Solution

The fourth proportional to 1,395,698.40, 2,093,701.20 and 509,426.40 is: 764,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,698.40 : 2,093,701.20 = 509,426.40 : x
  2. Step 2: Convert to fraction form
    1,395,698.40/2,093,701.20 = 509,426.40/x
  3. Step 3: Cross multiply
    1,395,698.40x = 2,093,701.20 × 509,426.40
  4. Step 4: Simplify right side
    1,395,698.40x = 1,066,586,664,991.68
  5. Step 5: Solve for x
    x = 1,066,586,664,991.68/1,395,698.40
  6. Step 6: Final answer
    x = 764,195.66

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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.