Home / 377,006.94-520,256.39-207,239.85

Finding the Fourth Proportional to 377,006.94, 520,256.39 and 207,239.85

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Solution

The fourth proportional to 377,006.94, 520,256.39 and 207,239.85 is: 285,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,006.94 : 520,256.39 = 207,239.85 : x
  2. Step 2: Convert to fraction form
    377,006.94/520,256.39 = 207,239.85/x
  3. Step 3: Cross multiply
    377,006.94x = 520,256.39 × 207,239.85
  4. Step 4: Simplify right side
    377,006.94x = 107,817,855,188.94
  5. Step 5: Solve for x
    x = 107,817,855,188.94/377,006.94
  6. Step 6: Final answer
    x = 285,983.74

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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.