Home / 3,759,155.12-5,638,732.68-919,233.56

Finding the Fourth Proportional to 3,759,155.12, 5,638,732.68 and 919,233.56

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Solution

The fourth proportional to 3,759,155.12, 5,638,732.68 and 919,233.56 is: 1,378,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,155.12 : 5,638,732.68 = 919,233.56 : x
  2. Step 2: Convert to fraction form
    3,759,155.12/5,638,732.68 = 919,233.56/x
  3. Step 3: Cross multiply
    3,759,155.12x = 5,638,732.68 × 919,233.56
  4. Step 4: Simplify right side
    3,759,155.12x = 5,183,312,315,324.74
  5. Step 5: Solve for x
    x = 5,183,312,315,324.74/3,759,155.12
  6. Step 6: Final answer
    x = 1,378,850.34

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1.5x scale

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.