Home / 868,262.02-1,198,191.09-505,744.90

Finding the Fourth Proportional to 868,262.02, 1,198,191.09 and 505,744.90

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Solution

The fourth proportional to 868,262.02, 1,198,191.09 and 505,744.90 is: 697,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,262.02 : 1,198,191.09 = 505,744.90 : x
  2. Step 2: Convert to fraction form
    868,262.02/1,198,191.09 = 505,744.90/x
  3. Step 3: Cross multiply
    868,262.02x = 1,198,191.09 × 505,744.90
  4. Step 4: Simplify right side
    868,262.02x = 605,979,032,992.94
  5. Step 5: Solve for x
    x = 605,979,032,992.94/868,262.02
  6. Step 6: Final answer
    x = 697,921.85

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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.