Home / 804,462.15-1,206,692.18-205,423.01

Finding the Fourth Proportional to 804,462.15, 1,206,692.18 and 205,423.01

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Solution

The fourth proportional to 804,462.15, 1,206,692.18 and 205,423.01 is: 308,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,462.15 : 1,206,692.18 = 205,423.01 : x
  2. Step 2: Convert to fraction form
    804,462.15/1,206,692.18 = 205,423.01/x
  3. Step 3: Cross multiply
    804,462.15x = 1,206,692.18 × 205,423.01
  4. Step 4: Simplify right side
    804,462.15x = 247,882,339,759.06
  5. Step 5: Solve for x
    x = 247,882,339,759.06/804,462.15
  6. Step 6: Final answer
    x = 308,134.25

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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.