Home / 1,447,234.09-1,997,305.70-802,861.88

Finding the Fourth Proportional to 1,447,234.09, 1,997,305.70 and 802,861.88

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Solution

The fourth proportional to 1,447,234.09, 1,997,305.70 and 802,861.88 is: 1,108,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,234.09 : 1,997,305.70 = 802,861.88 : x
  2. Step 2: Convert to fraction form
    1,447,234.09/1,997,305.70 = 802,861.88/x
  3. Step 3: Cross multiply
    1,447,234.09x = 1,997,305.70 × 802,861.88
  4. Step 4: Simplify right side
    1,447,234.09x = 1,603,560,595,235.88
  5. Step 5: Solve for x
    x = 1,603,560,595,235.88/1,447,234.09
  6. Step 6: Final answer
    x = 1,108,017.43

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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.