Home / 868,285.67-1,198,382.51-505,924.27

Finding the Fourth Proportional to 868,285.67, 1,198,382.51 and 505,924.27

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Solution

The fourth proportional to 868,285.67, 1,198,382.51 and 505,924.27 is: 698,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,285.67 : 1,198,382.51 = 505,924.27 : x
  2. Step 2: Convert to fraction form
    868,285.67/1,198,382.51 = 505,924.27/x
  3. Step 3: Cross multiply
    868,285.67x = 1,198,382.51 × 505,924.27
  4. Step 4: Simplify right side
    868,285.67x = 606,290,794,821.37
  5. Step 5: Solve for x
    x = 606,290,794,821.37/868,285.67
  6. Step 6: Final answer
    x = 698,261.90

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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.