Home / 1,720,217.96-2,373,961.72-945,907.76

Finding the Fourth Proportional to 1,720,217.96, 2,373,961.72 and 945,907.76

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Solution

The fourth proportional to 1,720,217.96, 2,373,961.72 and 945,907.76 is: 1,305,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,217.96 : 2,373,961.72 = 945,907.76 : x
  2. Step 2: Convert to fraction form
    1,720,217.96/2,373,961.72 = 945,907.76/x
  3. Step 3: Cross multiply
    1,720,217.96x = 2,373,961.72 × 945,907.76
  4. Step 4: Simplify right side
    1,720,217.96x = 2,245,548,812,890.95
  5. Step 5: Solve for x
    x = 2,245,548,812,890.95/1,720,217.96
  6. Step 6: Final answer
    x = 1,305,386.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.