Home / 476,105.37-657,066.97-261,286.89

Finding the Fourth Proportional to 476,105.37, 657,066.97 and 261,286.89

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Solution

The fourth proportional to 476,105.37, 657,066.97 and 261,286.89 is: 360,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,105.37 : 657,066.97 = 261,286.89 : x
  2. Step 2: Convert to fraction form
    476,105.37/657,066.97 = 261,286.89/x
  3. Step 3: Cross multiply
    476,105.37x = 657,066.97 × 261,286.89
  4. Step 4: Simplify right side
    476,105.37x = 171,682,985,113.02
  5. Step 5: Solve for x
    x = 171,682,985,113.02/476,105.37
  6. Step 6: Final answer
    x = 360,598.72

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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.