Home / 812,260.12-1,120,876.25-444,666.82

Finding the Fourth Proportional to 812,260.12, 1,120,876.25 and 444,666.82

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Solution

The fourth proportional to 812,260.12, 1,120,876.25 and 444,666.82 is: 613,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,260.12 : 1,120,876.25 = 444,666.82 : x
  2. Step 2: Convert to fraction form
    812,260.12/1,120,876.25 = 444,666.82/x
  3. Step 3: Cross multiply
    812,260.12x = 1,120,876.25 × 444,666.82
  4. Step 4: Simplify right side
    812,260.12x = 498,416,476,503.26
  5. Step 5: Solve for x
    x = 498,416,476,503.26/812,260.12
  6. Step 6: Final answer
    x = 613,616.83

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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.