Home / 377,134.02-520,555.23-224,279.73

Finding the Fourth Proportional to 377,134.02, 520,555.23 and 224,279.73

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Solution

The fourth proportional to 377,134.02, 520,555.23 and 224,279.73 is: 309,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,134.02 : 520,555.23 = 224,279.73 : x
  2. Step 2: Convert to fraction form
    377,134.02/520,555.23 = 224,279.73/x
  3. Step 3: Cross multiply
    377,134.02x = 520,555.23 × 224,279.73
  4. Step 4: Simplify right side
    377,134.02x = 116,749,986,434.49
  5. Step 5: Solve for x
    x = 116,749,986,434.49/377,134.02
  6. Step 6: Final answer
    x = 309,571.61

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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.