Home / 467,853.21-645,622.86-263,901.15

Finding the Fourth Proportional to 467,853.21, 645,622.86 and 263,901.15

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Solution

The fourth proportional to 467,853.21, 645,622.86 and 263,901.15 is: 364,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,853.21 : 645,622.86 = 263,901.15 : x
  2. Step 2: Convert to fraction form
    467,853.21/645,622.86 = 263,901.15/x
  3. Step 3: Cross multiply
    467,853.21x = 645,622.86 × 263,901.15
  4. Step 4: Simplify right side
    467,853.21x = 170,380,615,220.29
  5. Step 5: Solve for x
    x = 170,380,615,220.29/467,853.21
  6. Step 6: Final answer
    x = 364,175.37

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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.