Home / 865,936.50-1,194,989.39-483,963.29

Finding the Fourth Proportional to 865,936.50, 1,194,989.39 and 483,963.29

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Solution

The fourth proportional to 865,936.50, 1,194,989.39 and 483,963.29 is: 667,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,936.50 : 1,194,989.39 = 483,963.29 : x
  2. Step 2: Convert to fraction form
    865,936.50/1,194,989.39 = 483,963.29/x
  3. Step 3: Cross multiply
    865,936.50x = 1,194,989.39 × 483,963.29
  4. Step 4: Simplify right side
    865,936.50x = 578,330,988,304.73
  5. Step 5: Solve for x
    x = 578,330,988,304.73/865,936.50
  6. Step 6: Final answer
    x = 667,867.67

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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.