Home / 465,011.04-641,670.96-261,015.21

Finding the Fourth Proportional to 465,011.04, 641,670.96 and 261,015.21

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Solution

The fourth proportional to 465,011.04, 641,670.96 and 261,015.21 is: 360,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,011.04 : 641,670.96 = 261,015.21 : x
  2. Step 2: Convert to fraction form
    465,011.04/641,670.96 = 261,015.21/x
  3. Step 3: Cross multiply
    465,011.04x = 641,670.96 × 261,015.21
  4. Step 4: Simplify right side
    465,011.04x = 167,485,880,375.30
  5. Step 5: Solve for x
    x = 167,485,880,375.30/465,011.04
  6. Step 6: Final answer
    x = 360,176.14

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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.