Home / 540,830.52-811,262.39-185,839.52

Finding the Fourth Proportional to 540,830.52, 811,262.39 and 185,839.52

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Solution

The fourth proportional to 540,830.52, 811,262.39 and 185,839.52 is: 278,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,830.52 : 811,262.39 = 185,839.52 : x
  2. Step 2: Convert to fraction form
    540,830.52/811,262.39 = 185,839.52/x
  3. Step 3: Cross multiply
    540,830.52x = 811,262.39 × 185,839.52
  4. Step 4: Simplify right side
    540,830.52x = 150,764,608,166.14
  5. Step 5: Solve for x
    x = 150,764,608,166.14/540,830.52
  6. Step 6: Final answer
    x = 278,764.98

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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.