Home / 483,390.41-667,056.13-268,543.58

Finding the Fourth Proportional to 483,390.41, 667,056.13 and 268,543.58

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Solution

The fourth proportional to 483,390.41, 667,056.13 and 268,543.58 is: 370,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,390.41 : 667,056.13 = 268,543.58 : x
  2. Step 2: Convert to fraction form
    483,390.41/667,056.13 = 268,543.58/x
  3. Step 3: Cross multiply
    483,390.41x = 667,056.13 × 268,543.58
  4. Step 4: Simplify right side
    483,390.41x = 179,133,637,204.51
  5. Step 5: Solve for x
    x = 179,133,637,204.51/483,390.41
  6. Step 6: Final answer
    x = 370,577.56

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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.