Home / 632,318.81-872,546.98-356,661.44

Finding the Fourth Proportional to 632,318.81, 872,546.98 and 356,661.44

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Solution

The fourth proportional to 632,318.81, 872,546.98 and 356,661.44 is: 492,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,318.81 : 872,546.98 = 356,661.44 : x
  2. Step 2: Convert to fraction form
    632,318.81/872,546.98 = 356,661.44/x
  3. Step 3: Cross multiply
    632,318.81x = 872,546.98 × 356,661.44
  4. Step 4: Simplify right side
    632,318.81x = 311,203,857,100.06
  5. Step 5: Solve for x
    x = 311,203,857,100.06/632,318.81
  6. Step 6: Final answer
    x = 492,162.89

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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.