Home / 682,065.32-1,022,189.04-322,331.72

Finding the Fourth Proportional to 682,065.32, 1,022,189.04 and 322,331.72

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Solution

The fourth proportional to 682,065.32, 1,022,189.04 and 322,331.72 is: 483,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,065.32 : 1,022,189.04 = 322,331.72 : x
  2. Step 2: Convert to fraction form
    682,065.32/1,022,189.04 = 322,331.72/x
  3. Step 3: Cross multiply
    682,065.32x = 1,022,189.04 × 322,331.72
  4. Step 4: Simplify right side
    682,065.32x = 329,483,946,317.40
  5. Step 5: Solve for x
    x = 329,483,946,317.40/682,065.32
  6. Step 6: Final answer
    x = 483,068.03

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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.