Home / 505,895.28-697,814.46-384,771.02

Finding the Fourth Proportional to 505,895.28, 697,814.46 and 384,771.02

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Solution

The fourth proportional to 505,895.28, 697,814.46 and 384,771.02 is: 530,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,895.28 : 697,814.46 = 384,771.02 : x
  2. Step 2: Convert to fraction form
    505,895.28/697,814.46 = 384,771.02/x
  3. Step 3: Cross multiply
    505,895.28x = 697,814.46 × 384,771.02
  4. Step 4: Simplify right side
    505,895.28x = 268,498,778,055.88
  5. Step 5: Solve for x
    x = 268,498,778,055.88/505,895.28
  6. Step 6: Final answer
    x = 530,739.84

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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.