Home / 453,949.60-681,313.20-201,618.40

Finding the Fourth Proportional to 453,949.60, 681,313.20 and 201,618.40

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Solution

The fourth proportional to 453,949.60, 681,313.20 and 201,618.40 is: 302,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,949.60 : 681,313.20 = 201,618.40 : x
  2. Step 2: Convert to fraction form
    453,949.60/681,313.20 = 201,618.40/x
  3. Step 3: Cross multiply
    453,949.60x = 681,313.20 × 201,618.40
  4. Step 4: Simplify right side
    453,949.60x = 137,365,277,282.88
  5. Step 5: Solve for x
    x = 137,365,277,282.88/453,949.60
  6. Step 6: Final answer
    x = 302,600.28

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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.