Home / 862,677.43-1,190,583.42-518,624.73

Finding the Fourth Proportional to 862,677.43, 1,190,583.42 and 518,624.73

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Solution

The fourth proportional to 862,677.43, 1,190,583.42 and 518,624.73 is: 715,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,677.43 : 1,190,583.42 = 518,624.73 : x
  2. Step 2: Convert to fraction form
    862,677.43/1,190,583.42 = 518,624.73/x
  3. Step 3: Cross multiply
    862,677.43x = 1,190,583.42 × 518,624.73
  4. Step 4: Simplify right side
    862,677.43x = 617,466,004,739.98
  5. Step 5: Solve for x
    x = 617,466,004,739.98/862,677.43
  6. Step 6: Final answer
    x = 715,755.37

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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.