Home / 869,163.62-1,199,385.43-481,999.01

Finding the Fourth Proportional to 869,163.62, 1,199,385.43 and 481,999.01

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Solution

The fourth proportional to 869,163.62, 1,199,385.43 and 481,999.01 is: 665,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,163.62 : 1,199,385.43 = 481,999.01 : x
  2. Step 2: Convert to fraction form
    869,163.62/1,199,385.43 = 481,999.01/x
  3. Step 3: Cross multiply
    869,163.62x = 1,199,385.43 × 481,999.01
  4. Step 4: Simplify right side
    869,163.62x = 578,102,582,666.50
  5. Step 5: Solve for x
    x = 578,102,582,666.50/869,163.62
  6. Step 6: Final answer
    x = 665,125.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.