Home / 483,989.04-667,920.40-269,138.16

Finding the Fourth Proportional to 483,989.04, 667,920.40 and 269,138.16

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Solution

The fourth proportional to 483,989.04, 667,920.40 and 269,138.16 is: 371,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,989.04 : 667,920.40 = 269,138.16 : x
  2. Step 2: Convert to fraction form
    483,989.04/667,920.40 = 269,138.16/x
  3. Step 3: Cross multiply
    483,989.04x = 667,920.40 × 269,138.16
  4. Step 4: Simplify right side
    483,989.04x = 179,762,867,482.46
  5. Step 5: Solve for x
    x = 179,762,867,482.46/483,989.04
  6. Step 6: Final answer
    x = 371,419.29

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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.