Home / 452,982.90-678,976.07-186,598.09

Finding the Fourth Proportional to 452,982.90, 678,976.07 and 186,598.09

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Solution

The fourth proportional to 452,982.90, 678,976.07 and 186,598.09 is: 279,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,982.90 : 678,976.07 = 186,598.09 : x
  2. Step 2: Convert to fraction form
    452,982.90/678,976.07 = 186,598.09/x
  3. Step 3: Cross multiply
    452,982.90x = 678,976.07 × 186,598.09
  4. Step 4: Simplify right side
    452,982.90x = 126,695,637,817.71
  5. Step 5: Solve for x
    x = 126,695,637,817.71/452,982.90
  6. Step 6: Final answer
    x = 279,691.88

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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.