Home / 505,783.44-697,373.28-409,091.04

Finding the Fourth Proportional to 505,783.44, 697,373.28 and 409,091.04

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Solution

The fourth proportional to 505,783.44, 697,373.28 and 409,091.04 is: 564,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,783.44 : 697,373.28 = 409,091.04 : x
  2. Step 2: Convert to fraction form
    505,783.44/697,373.28 = 409,091.04/x
  3. Step 3: Cross multiply
    505,783.44x = 697,373.28 × 409,091.04
  4. Step 4: Simplify right side
    505,783.44x = 285,289,160,383.41
  5. Step 5: Solve for x
    x = 285,289,160,383.41/505,783.44
  6. Step 6: Final answer
    x = 564,053.98

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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.