Home / 541,830.38-812,784.53-186,839.28

Finding the Fourth Proportional to 541,830.38, 812,784.53 and 186,839.28

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Solution

The fourth proportional to 541,830.38, 812,784.53 and 186,839.28 is: 280,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,830.38 : 812,784.53 = 186,839.28 : x
  2. Step 2: Convert to fraction form
    541,830.38/812,784.53 = 186,839.28/x
  3. Step 3: Cross multiply
    541,830.38x = 812,784.53 × 186,839.28
  4. Step 4: Simplify right side
    541,830.38x = 151,860,076,847.44
  5. Step 5: Solve for x
    x = 151,860,076,847.44/541,830.38
  6. Step 6: Final answer
    x = 280,272.36

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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.