Home / 621,317.52-932,171.88-221,949.42

Finding the Fourth Proportional to 621,317.52, 932,171.88 and 221,949.42

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Solution

The fourth proportional to 621,317.52, 932,171.88 and 221,949.42 is: 332,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,317.52 : 932,171.88 = 221,949.42 : x
  2. Step 2: Convert to fraction form
    621,317.52/932,171.88 = 221,949.42/x
  3. Step 3: Cross multiply
    621,317.52x = 932,171.88 × 221,949.42
  4. Step 4: Simplify right side
    621,317.52x = 206,895,008,106.31
  5. Step 5: Solve for x
    x = 206,895,008,106.31/621,317.52
  6. Step 6: Final answer
    x = 332,994.00

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1.5x scale

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.