Home / 377,520.22-520,977.97-207,754.34

Finding the Fourth Proportional to 377,520.22, 520,977.97 and 207,754.34

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Solution

The fourth proportional to 377,520.22, 520,977.97 and 207,754.34 is: 286,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,520.22 : 520,977.97 = 207,754.34 : x
  2. Step 2: Convert to fraction form
    377,520.22/520,977.97 = 207,754.34/x
  3. Step 3: Cross multiply
    377,520.22x = 520,977.97 × 207,754.34
  4. Step 4: Simplify right side
    377,520.22x = 108,235,434,311.89
  5. Step 5: Solve for x
    x = 108,235,434,311.89/377,520.22
  6. Step 6: Final answer
    x = 286,701.03

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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.