Home / 304,921.01-457,339.99-80,262.63

Finding the Fourth Proportional to 304,921.01, 457,339.99 and 80,262.63

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Solution

The fourth proportional to 304,921.01, 457,339.99 and 80,262.63 is: 120,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,921.01 : 457,339.99 = 80,262.63 : x
  2. Step 2: Convert to fraction form
    304,921.01/457,339.99 = 80,262.63/x
  3. Step 3: Cross multiply
    304,921.01x = 457,339.99 × 80,262.63
  4. Step 4: Simplify right side
    304,921.01x = 36,707,310,200.92
  5. Step 5: Solve for x
    x = 36,707,310,200.92/304,921.01
  6. Step 6: Final answer
    x = 120,383.01

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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.