Home / 536,305.22-739,917.89-306,778.89

Finding the Fourth Proportional to 536,305.22, 739,917.89 and 306,778.89

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Solution

The fourth proportional to 536,305.22, 739,917.89 and 306,778.89 is: 423,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,305.22 : 739,917.89 = 306,778.89 : x
  2. Step 2: Convert to fraction form
    536,305.22/739,917.89 = 306,778.89/x
  3. Step 3: Cross multiply
    536,305.22x = 739,917.89 × 306,778.89
  4. Step 4: Simplify right side
    536,305.22x = 226,991,187,451.45
  5. Step 5: Solve for x
    x = 226,991,187,451.45/536,305.22
  6. Step 6: Final answer
    x = 423,250.00

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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.