Home / 481,742.40-664,776.28-263,907.92

Finding the Fourth Proportional to 481,742.40, 664,776.28 and 263,907.92

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Solution

The fourth proportional to 481,742.40, 664,776.28 and 263,907.92 is: 364,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,742.40 : 664,776.28 = 263,907.92 : x
  2. Step 2: Convert to fraction form
    481,742.40/664,776.28 = 263,907.92/x
  3. Step 3: Cross multiply
    481,742.40x = 664,776.28 × 263,907.92
  4. Step 4: Simplify right side
    481,742.40x = 175,439,725,320.14
  5. Step 5: Solve for x
    x = 175,439,725,320.14/481,742.40
  6. Step 6: Final answer
    x = 364,177.46

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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.