Home / 799,989.80-1,196,874.30-520,053.80

Finding the Fourth Proportional to 799,989.80, 1,196,874.30 and 520,053.80

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Solution

The fourth proportional to 799,989.80, 1,196,874.30 and 520,053.80 is: 778,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,989.80 : 1,196,874.30 = 520,053.80 : x
  2. Step 2: Convert to fraction form
    799,989.80/1,196,874.30 = 520,053.80/x
  3. Step 3: Cross multiply
    799,989.80x = 1,196,874.30 × 520,053.80
  4. Step 4: Simplify right side
    799,989.80x = 622,439,027,837.34
  5. Step 5: Solve for x
    x = 622,439,027,837.34/799,989.80
  6. Step 6: Final answer
    x = 778,058.71

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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.