Home / 1,220,958.92-1,831,526.16-322,391.68

Finding the Fourth Proportional to 1,220,958.92, 1,831,526.16 and 322,391.68

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Solution

The fourth proportional to 1,220,958.92, 1,831,526.16 and 322,391.68 is: 483,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,958.92 : 1,831,526.16 = 322,391.68 : x
  2. Step 2: Convert to fraction form
    1,220,958.92/1,831,526.16 = 322,391.68/x
  3. Step 3: Cross multiply
    1,220,958.92x = 1,831,526.16 × 322,391.68
  4. Step 4: Simplify right side
    1,220,958.92x = 590,468,795,686.35
  5. Step 5: Solve for x
    x = 590,468,795,686.35/1,220,958.92
  6. Step 6: Final answer
    x = 483,610.70

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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.