Home / 417,685.23-576,406.19-226,698.64

Finding the Fourth Proportional to 417,685.23, 576,406.19 and 226,698.64

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Solution

The fourth proportional to 417,685.23, 576,406.19 and 226,698.64 is: 312,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,685.23 : 576,406.19 = 226,698.64 : x
  2. Step 2: Convert to fraction form
    417,685.23/576,406.19 = 226,698.64/x
  3. Step 3: Cross multiply
    417,685.23x = 576,406.19 × 226,698.64
  4. Step 4: Simplify right side
    417,685.23x = 130,670,499,360.58
  5. Step 5: Solve for x
    x = 130,670,499,360.58/417,685.23
  6. Step 6: Final answer
    x = 312,844.43

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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.