Home / 1,321,238.25-1,823,310.61-717,626.25

Finding the Fourth Proportional to 1,321,238.25, 1,823,310.61 and 717,626.25

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Solution

The fourth proportional to 1,321,238.25, 1,823,310.61 and 717,626.25 is: 990,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,238.25 : 1,823,310.61 = 717,626.25 : x
  2. Step 2: Convert to fraction form
    1,321,238.25/1,823,310.61 = 717,626.25/x
  3. Step 3: Cross multiply
    1,321,238.25x = 1,823,310.61 × 717,626.25
  4. Step 4: Simplify right side
    1,321,238.25x = 1,308,455,553,845.45
  5. Step 5: Solve for x
    x = 1,308,455,553,845.45/1,321,238.25
  6. Step 6: Final answer
    x = 990,325.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.