Home / 704,311.50-1,056,622.77-261,079.50

Finding the Fourth Proportional to 704,311.50, 1,056,622.77 and 261,079.50

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Solution

The fourth proportional to 704,311.50, 1,056,622.77 and 261,079.50 is: 391,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,311.50 : 1,056,622.77 = 261,079.50 : x
  2. Step 2: Convert to fraction form
    704,311.50/1,056,622.77 = 261,079.50/x
  3. Step 3: Cross multiply
    704,311.50x = 1,056,622.77 × 261,079.50
  4. Step 4: Simplify right side
    704,311.50x = 275,862,544,480.22
  5. Step 5: Solve for x
    x = 275,862,544,480.22/704,311.50
  6. Step 6: Final answer
    x = 391,676.90

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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.