Home / 417,621.55-576,317.71-226,634.94

Finding the Fourth Proportional to 417,621.55, 576,317.71 and 226,634.94

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Solution

The fourth proportional to 417,621.55, 576,317.71 and 226,634.94 is: 312,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,621.55 : 576,317.71 = 226,634.94 : x
  2. Step 2: Convert to fraction form
    417,621.55/576,317.71 = 226,634.94/x
  3. Step 3: Cross multiply
    417,621.55x = 576,317.71 × 226,634.94
  4. Step 4: Simplify right side
    417,621.55x = 130,613,729,626.79
  5. Step 5: Solve for x
    x = 130,613,729,626.79/417,621.55
  6. Step 6: Final answer
    x = 312,756.20

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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.