Home / 571,904.28-857,578.50-172,470.60

Finding the Fourth Proportional to 571,904.28, 857,578.50 and 172,470.60

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Solution

The fourth proportional to 571,904.28, 857,578.50 and 172,470.60 is: 258,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,904.28 : 857,578.50 = 172,470.60 : x
  2. Step 2: Convert to fraction form
    571,904.28/857,578.50 = 172,470.60/x
  3. Step 3: Cross multiply
    571,904.28x = 857,578.50 × 172,470.60
  4. Step 4: Simplify right side
    571,904.28x = 147,907,078,442.10
  5. Step 5: Solve for x
    x = 147,907,078,442.10/571,904.28
  6. Step 6: Final answer
    x = 258,622.09

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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.