Home / 603,917.63-833,416.85-331,996.98

Finding the Fourth Proportional to 603,917.63, 833,416.85 and 331,996.98

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Solution

The fourth proportional to 603,917.63, 833,416.85 and 331,996.98 is: 458,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,917.63 : 833,416.85 = 331,996.98 : x
  2. Step 2: Convert to fraction form
    603,917.63/833,416.85 = 331,996.98/x
  3. Step 3: Cross multiply
    603,917.63x = 833,416.85 × 331,996.98
  4. Step 4: Simplify right side
    603,917.63x = 276,691,878,111.11
  5. Step 5: Solve for x
    x = 276,691,878,111.11/603,917.63
  6. Step 6: Final answer
    x = 458,161.62

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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.