Home / 476,923.20-715,166.10-210,546.60

Finding the Fourth Proportional to 476,923.20, 715,166.10 and 210,546.60

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Solution

The fourth proportional to 476,923.20, 715,166.10 and 210,546.60 is: 315,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,923.20 : 715,166.10 = 210,546.60 : x
  2. Step 2: Convert to fraction form
    476,923.20/715,166.10 = 210,546.60/x
  3. Step 3: Cross multiply
    476,923.20x = 715,166.10 × 210,546.60
  4. Step 4: Simplify right side
    476,923.20x = 150,575,790,790.26
  5. Step 5: Solve for x
    x = 150,575,790,790.26/476,923.20
  6. Step 6: Final answer
    x = 315,723.35

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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.