Home / 411,623.10-617,480.01-131,075.82

Finding the Fourth Proportional to 411,623.10, 617,480.01 and 131,075.82

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Solution

The fourth proportional to 411,623.10, 617,480.01 and 131,075.82 is: 196,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,623.10 : 617,480.01 = 131,075.82 : x
  2. Step 2: Convert to fraction form
    411,623.10/617,480.01 = 131,075.82/x
  3. Step 3: Cross multiply
    411,623.10x = 617,480.01 × 131,075.82
  4. Step 4: Simplify right side
    411,623.10x = 80,936,698,644.36
  5. Step 5: Solve for x
    x = 80,936,698,644.36/411,623.10
  6. Step 6: Final answer
    x = 196,628.17

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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.