Home / 446,815.14-670,012.12-162,305.12

Finding the Fourth Proportional to 446,815.14, 670,012.12 and 162,305.12

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Solution

The fourth proportional to 446,815.14, 670,012.12 and 162,305.12 is: 243,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,815.14 : 670,012.12 = 162,305.12 : x
  2. Step 2: Convert to fraction form
    446,815.14/670,012.12 = 162,305.12/x
  3. Step 3: Cross multiply
    446,815.14x = 670,012.12 × 162,305.12
  4. Step 4: Simplify right side
    446,815.14x = 108,746,397,538.05
  5. Step 5: Solve for x
    x = 108,746,397,538.05/446,815.14
  6. Step 6: Final answer
    x = 243,381.18

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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.