Home / 547,697.15-821,536.82-210,810.98

Finding the Fourth Proportional to 547,697.15, 821,536.82 and 210,810.98

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Solution

The fourth proportional to 547,697.15, 821,536.82 and 210,810.98 is: 316,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,697.15 : 821,536.82 = 210,810.98 : x
  2. Step 2: Convert to fraction form
    547,697.15/821,536.82 = 210,810.98/x
  3. Step 3: Cross multiply
    547,697.15x = 821,536.82 × 210,810.98
  4. Step 4: Simplify right side
    547,697.15x = 173,188,976,968.55
  5. Step 5: Solve for x
    x = 173,188,976,968.55/547,697.15
  6. Step 6: Final answer
    x = 316,213.04

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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.