Home / 465,018.04-641,680.56-261,022.24

Finding the Fourth Proportional to 465,018.04, 641,680.56 and 261,022.24

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Solution

The fourth proportional to 465,018.04, 641,680.56 and 261,022.24 is: 360,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,018.04 : 641,680.56 = 261,022.24 : x
  2. Step 2: Convert to fraction form
    465,018.04/641,680.56 = 261,022.24/x
  3. Step 3: Cross multiply
    465,018.04x = 641,680.56 × 261,022.24
  4. Step 4: Simplify right side
    465,018.04x = 167,492,897,135.65
  5. Step 5: Solve for x
    x = 167,492,897,135.65/465,018.04
  6. Step 6: Final answer
    x = 360,185.81

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1.5x scale

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.