Home / 572,828.54-790,528.41-318,179.73

Finding the Fourth Proportional to 572,828.54, 790,528.41 and 318,179.73

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Solution

The fourth proportional to 572,828.54, 790,528.41 and 318,179.73 is: 439,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,828.54 : 790,528.41 = 318,179.73 : x
  2. Step 2: Convert to fraction form
    572,828.54/790,528.41 = 318,179.73/x
  3. Step 3: Cross multiply
    572,828.54x = 790,528.41 × 318,179.73
  4. Step 4: Simplify right side
    572,828.54x = 251,530,116,051.13
  5. Step 5: Solve for x
    x = 251,530,116,051.13/572,828.54
  6. Step 6: Final answer
    x = 439,101.93

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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.