Home / 505,896.01-697,815.43-384,771.75

Finding the Fourth Proportional to 505,896.01, 697,815.43 and 384,771.75

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Solution

The fourth proportional to 505,896.01, 697,815.43 and 384,771.75 is: 530,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,896.01 : 697,815.43 = 384,771.75 : x
  2. Step 2: Convert to fraction form
    505,896.01/697,815.43 = 384,771.75/x
  3. Step 3: Cross multiply
    505,896.01x = 697,815.43 × 384,771.75
  4. Step 4: Simplify right side
    505,896.01x = 268,499,664,178.10
  5. Step 5: Solve for x
    x = 268,499,664,178.10/505,896.01
  6. Step 6: Final answer
    x = 530,740.82

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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.