Home / 476,120.07-657,023.13-261,255.42

Finding the Fourth Proportional to 476,120.07, 657,023.13 and 261,255.42

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Solution

The fourth proportional to 476,120.07, 657,023.13 and 261,255.42 is: 360,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,120.07 : 657,023.13 = 261,255.42 : x
  2. Step 2: Convert to fraction form
    476,120.07/657,023.13 = 261,255.42/x
  3. Step 3: Cross multiply
    476,120.07x = 657,023.13 × 261,255.42
  4. Step 4: Simplify right side
    476,120.07x = 171,650,853,777.87
  5. Step 5: Solve for x
    x = 171,650,853,777.87/476,120.07
  6. Step 6: Final answer
    x = 360,520.10

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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.