Home / 417,669.21-576,380.12-226,682.69

Finding the Fourth Proportional to 417,669.21, 576,380.12 and 226,682.69

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Solution

The fourth proportional to 417,669.21, 576,380.12 and 226,682.69 is: 312,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,669.21 : 576,380.12 = 226,682.69 : x
  2. Step 2: Convert to fraction form
    417,669.21/576,380.12 = 226,682.69/x
  3. Step 3: Cross multiply
    417,669.21x = 576,380.12 × 226,682.69
  4. Step 4: Simplify right side
    417,669.21x = 130,655,392,048.81
  5. Step 5: Solve for x
    x = 130,655,392,048.81/417,669.21
  6. Step 6: Final answer
    x = 312,820.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.