Home / 695,692.80-1,044,230.40-341,107.20

Finding the Fourth Proportional to 695,692.80, 1,044,230.40 and 341,107.20

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Solution

The fourth proportional to 695,692.80, 1,044,230.40 and 341,107.20 is: 511,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,692.80 : 1,044,230.40 = 341,107.20 : x
  2. Step 2: Convert to fraction form
    695,692.80/1,044,230.40 = 341,107.20/x
  3. Step 3: Cross multiply
    695,692.80x = 1,044,230.40 × 341,107.20
  4. Step 4: Simplify right side
    695,692.80x = 356,194,507,898.88
  5. Step 5: Solve for x
    x = 356,194,507,898.88/695,692.80
  6. Step 6: Final answer
    x = 511,999.70

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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.