Home / 1,231,890.39-1,848,830.67-522,416.25

Finding the Fourth Proportional to 1,231,890.39, 1,848,830.67 and 522,416.25

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Solution

The fourth proportional to 1,231,890.39, 1,848,830.67 and 522,416.25 is: 784,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,890.39 : 1,848,830.67 = 522,416.25 : x
  2. Step 2: Convert to fraction form
    1,231,890.39/1,848,830.67 = 522,416.25/x
  3. Step 3: Cross multiply
    1,231,890.39x = 1,848,830.67 × 522,416.25
  4. Step 4: Simplify right side
    1,231,890.39x = 965,859,185,506.39
  5. Step 5: Solve for x
    x = 965,859,185,506.39/1,231,890.39
  6. Step 6: Final answer
    x = 784,046.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.