Home / 360,821.07-497,934.05-199,687.23

Finding the Fourth Proportional to 360,821.07, 497,934.05 and 199,687.23

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Solution

The fourth proportional to 360,821.07, 497,934.05 and 199,687.23 is: 275,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,821.07 : 497,934.05 = 199,687.23 : x
  2. Step 2: Convert to fraction form
    360,821.07/497,934.05 = 199,687.23/x
  3. Step 3: Cross multiply
    360,821.07x = 497,934.05 × 199,687.23
  4. Step 4: Simplify right side
    360,821.07x = 99,431,070,168.75
  5. Step 5: Solve for x
    x = 99,431,070,168.75/360,821.07
  6. Step 6: Final answer
    x = 275,568.91

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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.