Home / 476,059.30-656,961.78-272,114.58

Finding the Fourth Proportional to 476,059.30, 656,961.78 and 272,114.58

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Solution

The fourth proportional to 476,059.30, 656,961.78 and 272,114.58 is: 375,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,059.30 : 656,961.78 = 272,114.58 : x
  2. Step 2: Convert to fraction form
    476,059.30/656,961.78 = 272,114.58/x
  3. Step 3: Cross multiply
    476,059.30x = 656,961.78 × 272,114.58
  4. Step 4: Simplify right side
    476,059.30x = 178,768,878,840.75
  5. Step 5: Solve for x
    x = 178,768,878,840.75/476,059.30
  6. Step 6: Final answer
    x = 375,518.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.