Home / 702,019.91-1,052,183.93-322,416.86

Finding the Fourth Proportional to 702,019.91, 1,052,183.93 and 322,416.86

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Solution

The fourth proportional to 702,019.91, 1,052,183.93 and 322,416.86 is: 483,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,019.91 : 1,052,183.93 = 322,416.86 : x
  2. Step 2: Convert to fraction form
    702,019.91/1,052,183.93 = 322,416.86/x
  3. Step 3: Cross multiply
    702,019.91x = 1,052,183.93 × 322,416.86
  4. Step 4: Simplify right side
    702,019.91x = 339,241,831,980.06
  5. Step 5: Solve for x
    x = 339,241,831,980.06/702,019.91
  6. Step 6: Final answer
    x = 483,236.77

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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.