Home / 483,387.10-667,051.56-268,540.26

Finding the Fourth Proportional to 483,387.10, 667,051.56 and 268,540.26

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Solution

The fourth proportional to 483,387.10, 667,051.56 and 268,540.26 is: 370,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,387.10 : 667,051.56 = 268,540.26 : x
  2. Step 2: Convert to fraction form
    483,387.10/667,051.56 = 268,540.26/x
  3. Step 3: Cross multiply
    483,387.10x = 667,051.56 × 268,540.26
  4. Step 4: Simplify right side
    483,387.10x = 179,130,199,355.81
  5. Step 5: Solve for x
    x = 179,130,199,355.81/483,387.10
  6. Step 6: Final answer
    x = 370,572.98

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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.