Home / 1,394,162.70-2,091,200.85-396,890.70

Finding the Fourth Proportional to 1,394,162.70, 2,091,200.85 and 396,890.70

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Solution

The fourth proportional to 1,394,162.70, 2,091,200.85 and 396,890.70 is: 595,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,162.70 : 2,091,200.85 = 396,890.70 : x
  2. Step 2: Convert to fraction form
    1,394,162.70/2,091,200.85 = 396,890.70/x
  3. Step 3: Cross multiply
    1,394,162.70x = 2,091,200.85 × 396,890.70
  4. Step 4: Simplify right side
    1,394,162.70x = 829,978,169,197.10
  5. Step 5: Solve for x
    x = 829,978,169,197.10/1,394,162.70
  6. Step 6: Final answer
    x = 595,323.75

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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.