Home / 812,441.75-1,121,296.16-463,582.85

Finding the Fourth Proportional to 812,441.75, 1,121,296.16 and 463,582.85

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Solution

The fourth proportional to 812,441.75, 1,121,296.16 and 463,582.85 is: 639,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,441.75 : 1,121,296.16 = 463,582.85 : x
  2. Step 2: Convert to fraction form
    812,441.75/1,121,296.16 = 463,582.85/x
  3. Step 3: Cross multiply
    812,441.75x = 1,121,296.16 × 463,582.85
  4. Step 4: Simplify right side
    812,441.75x = 519,813,665,099.33
  5. Step 5: Solve for x
    x = 519,813,665,099.33/812,441.75
  6. Step 6: Final answer
    x = 639,816.54

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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.