Home / 868,287.92-1,198,385.62-505,926.52

Finding the Fourth Proportional to 868,287.92, 1,198,385.62 and 505,926.52

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Solution

The fourth proportional to 868,287.92, 1,198,385.62 and 505,926.52 is: 698,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,287.92 : 1,198,385.62 = 505,926.52 : x
  2. Step 2: Convert to fraction form
    868,287.92/1,198,385.62 = 505,926.52/x
  3. Step 3: Cross multiply
    868,287.92x = 1,198,385.62 × 505,926.52
  4. Step 4: Simplify right side
    868,287.92x = 606,295,062,083.86
  5. Step 5: Solve for x
    x = 606,295,062,083.86/868,287.92
  6. Step 6: Final answer
    x = 698,265.00

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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.