Home / 540,975.78-811,537.45-225,358.88

Finding the Fourth Proportional to 540,975.78, 811,537.45 and 225,358.88

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Solution

The fourth proportional to 540,975.78, 811,537.45 and 225,358.88 is: 338,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,975.78 : 811,537.45 = 225,358.88 : x
  2. Step 2: Convert to fraction form
    540,975.78/811,537.45 = 225,358.88/x
  3. Step 3: Cross multiply
    540,975.78x = 811,537.45 × 225,358.88
  4. Step 4: Simplify right side
    540,975.78x = 182,887,166,188.97
  5. Step 5: Solve for x
    x = 182,887,166,188.97/540,975.78
  6. Step 6: Final answer
    x = 338,069.05

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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.