Home / 467,839.82-645,622.80-258,294.45

Finding the Fourth Proportional to 467,839.82, 645,622.80 and 258,294.45

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Solution

The fourth proportional to 467,839.82, 645,622.80 and 258,294.45 is: 356,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,839.82 : 645,622.80 = 258,294.45 : x
  2. Step 2: Convert to fraction form
    467,839.82/645,622.80 = 258,294.45/x
  3. Step 3: Cross multiply
    467,839.82x = 645,622.80 × 258,294.45
  4. Step 4: Simplify right side
    467,839.82x = 166,760,786,033.46
  5. Step 5: Solve for x
    x = 166,760,786,033.46/467,839.82
  6. Step 6: Final answer
    x = 356,448.47

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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.