Home / 377,000.20-520,263.76-204,918.57

Finding the Fourth Proportional to 377,000.20, 520,263.76 and 204,918.57

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Solution

The fourth proportional to 377,000.20, 520,263.76 and 204,918.57 is: 282,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,000.20 : 520,263.76 = 204,918.57 : x
  2. Step 2: Convert to fraction form
    377,000.20/520,263.76 = 204,918.57/x
  3. Step 3: Cross multiply
    377,000.20x = 520,263.76 × 204,918.57
  4. Step 4: Simplify right side
    377,000.20x = 106,611,705,722.02
  5. Step 5: Solve for x
    x = 106,611,705,722.02/377,000.20
  6. Step 6: Final answer
    x = 282,789.52

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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.