Home / 853,570.92-1,279,252.61-638,652.60

Finding the Fourth Proportional to 853,570.92, 1,279,252.61 and 638,652.60

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Solution

The fourth proportional to 853,570.92, 1,279,252.61 and 638,652.60 is: 957,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,570.92 : 1,279,252.61 = 638,652.60 : x
  2. Step 2: Convert to fraction form
    853,570.92/1,279,252.61 = 638,652.60/x
  3. Step 3: Cross multiply
    853,570.92x = 1,279,252.61 × 638,652.60
  4. Step 4: Simplify right side
    853,570.92x = 816,998,002,240.02
  5. Step 5: Solve for x
    x = 816,998,002,240.02/853,570.92
  6. Step 6: Final answer
    x = 957,153.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.