Home / 483,215.12-666,818.58-268,369.02

Finding the Fourth Proportional to 483,215.12, 666,818.58 and 268,369.02

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Solution

The fourth proportional to 483,215.12, 666,818.58 and 268,369.02 is: 370,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,215.12 : 666,818.58 = 268,369.02 : x
  2. Step 2: Convert to fraction form
    483,215.12/666,818.58 = 268,369.02/x
  3. Step 3: Cross multiply
    483,215.12x = 666,818.58 × 268,369.02
  4. Step 4: Simplify right side
    483,215.12x = 178,953,448,832.39
  5. Step 5: Solve for x
    x = 178,953,448,832.39/483,215.12
  6. Step 6: Final answer
    x = 370,339.10

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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.