Home / 377,000.45-520,264.10-204,918.82

Finding the Fourth Proportional to 377,000.45, 520,264.10 and 204,918.82

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Solution

The fourth proportional to 377,000.45, 520,264.10 and 204,918.82 is: 282,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,000.45 : 520,264.10 = 204,918.82 : x
  2. Step 2: Convert to fraction form
    377,000.45/520,264.10 = 204,918.82/x
  3. Step 3: Cross multiply
    377,000.45x = 520,264.10 × 204,918.82
  4. Step 4: Simplify right side
    377,000.45x = 106,611,901,834.45
  5. Step 5: Solve for x
    x = 106,611,901,834.45/377,000.45
  6. Step 6: Final answer
    x = 282,789.86

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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.