Home / 546,772.20-821,033.10-413,802.60

Finding the Fourth Proportional to 546,772.20, 821,033.10 and 413,802.60

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Solution

The fourth proportional to 546,772.20, 821,033.10 and 413,802.60 is: 621,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,772.20 : 821,033.10 = 413,802.60 : x
  2. Step 2: Convert to fraction form
    546,772.20/821,033.10 = 413,802.60/x
  3. Step 3: Cross multiply
    546,772.20x = 821,033.10 × 413,802.60
  4. Step 4: Simplify right side
    546,772.20x = 339,745,631,466.06
  5. Step 5: Solve for x
    x = 339,745,631,466.06/546,772.20
  6. Step 6: Final answer
    x = 621,365.96

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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.