Home / 823,469.46-1,135,485.45-536,457.30

Finding the Fourth Proportional to 823,469.46, 1,135,485.45 and 536,457.30

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Solution

The fourth proportional to 823,469.46, 1,135,485.45 and 536,457.30 is: 739,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,469.46 : 1,135,485.45 = 536,457.30 : x
  2. Step 2: Convert to fraction form
    823,469.46/1,135,485.45 = 536,457.30/x
  3. Step 3: Cross multiply
    823,469.46x = 1,135,485.45 × 536,457.30
  4. Step 4: Simplify right side
    823,469.46x = 609,139,458,696.29
  5. Step 5: Solve for x
    x = 609,139,458,696.29/823,469.46
  6. Step 6: Final answer
    x = 739,723.19

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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.