Home / 446,976.14-670,449.36-194,256.89

Finding the Fourth Proportional to 446,976.14, 670,449.36 and 194,256.89

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Solution

The fourth proportional to 446,976.14, 670,449.36 and 194,256.89 is: 291,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,976.14 : 670,449.36 = 194,256.89 : x
  2. Step 2: Convert to fraction form
    446,976.14/670,449.36 = 194,256.89/x
  3. Step 3: Cross multiply
    446,976.14x = 670,449.36 × 194,256.89
  4. Step 4: Simplify right side
    446,976.14x = 130,239,404,223.84
  5. Step 5: Solve for x
    x = 130,239,404,223.84/446,976.14
  6. Step 6: Final answer
    x = 291,378.87

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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.