Home / 1,231,800.60-1,846,901.70-521,635.80

Finding the Fourth Proportional to 1,231,800.60, 1,846,901.70 and 521,635.80

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Solution

The fourth proportional to 1,231,800.60, 1,846,901.70 and 521,635.80 is: 782,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,800.60 : 1,846,901.70 = 521,635.80 : x
  2. Step 2: Convert to fraction form
    1,231,800.60/1,846,901.70 = 521,635.80/x
  3. Step 3: Cross multiply
    1,231,800.60x = 1,846,901.70 × 521,635.80
  4. Step 4: Simplify right side
    1,231,800.60x = 963,410,045,800.86
  5. Step 5: Solve for x
    x = 963,410,045,800.86/1,231,800.60
  6. Step 6: Final answer
    x = 782,115.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.