Home / 1,396,180.12-2,092,332.62-636,164.20

Finding the Fourth Proportional to 1,396,180.12, 2,092,332.62 and 636,164.20

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Solution

The fourth proportional to 1,396,180.12, 2,092,332.62 and 636,164.20 is: 953,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,180.12 : 2,092,332.62 = 636,164.20 : x
  2. Step 2: Convert to fraction form
    1,396,180.12/2,092,332.62 = 636,164.20/x
  3. Step 3: Cross multiply
    1,396,180.12x = 2,092,332.62 × 636,164.20
  4. Step 4: Simplify right side
    1,396,180.12x = 1,331,067,107,336.20
  5. Step 5: Solve for x
    x = 1,331,067,107,336.20/1,396,180.12
  6. Step 6: Final answer
    x = 953,363.46

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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.