Home / 446,735.10-670,221.45-193,907.10

Finding the Fourth Proportional to 446,735.10, 670,221.45 and 193,907.10

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Solution

The fourth proportional to 446,735.10, 670,221.45 and 193,907.10 is: 290,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,735.10 : 670,221.45 = 193,907.10 : x
  2. Step 2: Convert to fraction form
    446,735.10/670,221.45 = 193,907.10/x
  3. Step 3: Cross multiply
    446,735.10x = 670,221.45 × 193,907.10
  4. Step 4: Simplify right side
    446,735.10x = 129,960,697,727.30
  5. Step 5: Solve for x
    x = 129,960,697,727.30/446,735.10
  6. Step 6: Final answer
    x = 290,912.22

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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.