Home / 813,160.36-1,122,185.92-450,550.30

Finding the Fourth Proportional to 813,160.36, 1,122,185.92 and 450,550.30

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Solution

The fourth proportional to 813,160.36, 1,122,185.92 and 450,550.30 is: 621,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,160.36 : 1,122,185.92 = 450,550.30 : x
  2. Step 2: Convert to fraction form
    813,160.36/1,122,185.92 = 450,550.30/x
  3. Step 3: Cross multiply
    813,160.36x = 1,122,185.92 × 450,550.30
  4. Step 4: Simplify right side
    813,160.36x = 505,601,202,911.78
  5. Step 5: Solve for x
    x = 505,601,202,911.78/813,160.36
  6. Step 6: Final answer
    x = 621,773.06

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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.