Home / 453,721.20-680,581.80-296,127.60

Finding the Fourth Proportional to 453,721.20, 680,581.80 and 296,127.60

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Solution

The fourth proportional to 453,721.20, 680,581.80 and 296,127.60 is: 444,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,721.20 : 680,581.80 = 296,127.60 : x
  2. Step 2: Convert to fraction form
    453,721.20/680,581.80 = 296,127.60/x
  3. Step 3: Cross multiply
    453,721.20x = 680,581.80 × 296,127.60
  4. Step 4: Simplify right side
    453,721.20x = 201,539,055,037.68
  5. Step 5: Solve for x
    x = 201,539,055,037.68/453,721.20
  6. Step 6: Final answer
    x = 444,191.40

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Similar ratio
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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.