Home / 868,586.30-1,198,552.32-505,934.30

Finding the Fourth Proportional to 868,586.30, 1,198,552.32 and 505,934.30

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Solution

The fourth proportional to 868,586.30, 1,198,552.32 and 505,934.30 is: 698,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,586.30 : 1,198,552.32 = 505,934.30 : x
  2. Step 2: Convert to fraction form
    868,586.30/1,198,552.32 = 505,934.30/x
  3. Step 3: Cross multiply
    868,586.30x = 1,198,552.32 × 505,934.30
  4. Step 4: Simplify right side
    868,586.30x = 606,388,729,032.58
  5. Step 5: Solve for x
    x = 606,388,729,032.58/868,586.30
  6. Step 6: Final answer
    x = 698,132.97

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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.