Home / 552,109.20-827,645.40-432,099.60

Finding the Fourth Proportional to 552,109.20, 827,645.40 and 432,099.60

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Solution

The fourth proportional to 552,109.20, 827,645.40 and 432,099.60 is: 647,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,109.20 : 827,645.40 = 432,099.60 : x
  2. Step 2: Convert to fraction form
    552,109.20/827,645.40 = 432,099.60/x
  3. Step 3: Cross multiply
    552,109.20x = 827,645.40 × 432,099.60
  4. Step 4: Simplify right side
    552,109.20x = 357,625,246,281.84
  5. Step 5: Solve for x
    x = 357,625,246,281.84/552,109.20
  6. Step 6: Final answer
    x = 647,743.68

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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.