Home / 476,850.08-715,458.54-210,422.36

Finding the Fourth Proportional to 476,850.08, 715,458.54 and 210,422.36

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Solution

The fourth proportional to 476,850.08, 715,458.54 and 210,422.36 is: 315,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,850.08 : 715,458.54 = 210,422.36 : x
  2. Step 2: Convert to fraction form
    476,850.08/715,458.54 = 210,422.36/x
  3. Step 3: Cross multiply
    476,850.08x = 715,458.54 × 210,422.36
  4. Step 4: Simplify right side
    476,850.08x = 150,548,474,468.95
  5. Step 5: Solve for x
    x = 150,548,474,468.95/476,850.08
  6. Step 6: Final answer
    x = 315,714.48

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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.