Home / 442,966.72-611,231.52-251,996.80

Finding the Fourth Proportional to 442,966.72, 611,231.52 and 251,996.80

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Solution

The fourth proportional to 442,966.72, 611,231.52 and 251,996.80 is: 347,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,966.72 : 611,231.52 = 251,996.80 : x
  2. Step 2: Convert to fraction form
    442,966.72/611,231.52 = 251,996.80/x
  3. Step 3: Cross multiply
    442,966.72x = 611,231.52 × 251,996.80
  4. Step 4: Simplify right side
    442,966.72x = 154,028,387,099.14
  5. Step 5: Solve for x
    x = 154,028,387,099.14/442,966.72
  6. Step 6: Final answer
    x = 347,720.00

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1.5x scale

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.