Home / 483,860.07-667,689.08-268,987.05

Finding the Fourth Proportional to 483,860.07, 667,689.08 and 268,987.05

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Solution

The fourth proportional to 483,860.07, 667,689.08 and 268,987.05 is: 371,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,860.07 : 667,689.08 = 268,987.05 : x
  2. Step 2: Convert to fraction form
    483,860.07/667,689.08 = 268,987.05/x
  3. Step 3: Cross multiply
    483,860.07x = 667,689.08 × 268,987.05
  4. Step 4: Simplify right side
    483,860.07x = 179,599,714,601.48
  5. Step 5: Solve for x
    x = 179,599,714,601.48/483,860.07
  6. Step 6: Final answer
    x = 371,181.10

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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.