Home / 813,183.95-1,122,229.49-450,606.89

Finding the Fourth Proportional to 813,183.95, 1,122,229.49 and 450,606.89

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Solution

The fourth proportional to 813,183.95, 1,122,229.49 and 450,606.89 is: 621,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,183.95 : 1,122,229.49 = 450,606.89 : x
  2. Step 2: Convert to fraction form
    813,183.95/1,122,229.49 = 450,606.89/x
  3. Step 3: Cross multiply
    813,183.95x = 1,122,229.49 × 450,606.89
  4. Step 4: Simplify right side
    813,183.95x = 505,684,332,491.00
  5. Step 5: Solve for x
    x = 505,684,332,491.00/813,183.95
  6. Step 6: Final answer
    x = 621,857.25

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Double scale
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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.