Home / 453,933.60-681,046.20-201,116.40

Finding the Fourth Proportional to 453,933.60, 681,046.20 and 201,116.40

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Solution

The fourth proportional to 453,933.60, 681,046.20 and 201,116.40 is: 301,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,933.60 : 681,046.20 = 201,116.40 : x
  2. Step 2: Convert to fraction form
    453,933.60/681,046.20 = 201,116.40/x
  3. Step 3: Cross multiply
    453,933.60x = 681,046.20 × 201,116.40
  4. Step 4: Simplify right side
    453,933.60x = 136,969,559,977.68
  5. Step 5: Solve for x
    x = 136,969,559,977.68/453,933.60
  6. Step 6: Final answer
    x = 301,739.20

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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.