Home / 1,220,564.62-1,830,639.16-322,015.02

Finding the Fourth Proportional to 1,220,564.62, 1,830,639.16 and 322,015.02

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Solution

The fourth proportional to 1,220,564.62, 1,830,639.16 and 322,015.02 is: 482,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,564.62 : 1,830,639.16 = 322,015.02 : x
  2. Step 2: Convert to fraction form
    1,220,564.62/1,830,639.16 = 322,015.02/x
  3. Step 3: Cross multiply
    1,220,564.62x = 1,830,639.16 × 322,015.02
  4. Step 4: Simplify right side
    1,220,564.62x = 589,493,305,720.18
  5. Step 5: Solve for x
    x = 589,493,305,720.18/1,220,564.62
  6. Step 6: Final answer
    x = 482,967.72

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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.