Home / 467,820.25-645,591.49-252,959.80

Finding the Fourth Proportional to 467,820.25, 645,591.49 and 252,959.80

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Solution

The fourth proportional to 467,820.25, 645,591.49 and 252,959.80 is: 349,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,820.25 : 645,591.49 = 252,959.80 : x
  2. Step 2: Convert to fraction form
    467,820.25/645,591.49 = 252,959.80/x
  3. Step 3: Cross multiply
    467,820.25x = 645,591.49 × 252,959.80
  4. Step 4: Simplify right side
    467,820.25x = 163,308,694,192.10
  5. Step 5: Solve for x
    x = 163,308,694,192.10/467,820.25
  6. Step 6: Final answer
    x = 349,084.28

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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.